Home / 191,936.74-287,336.49-142,240

Finding the Fourth Proportional to 191,936.74, 287,336.49 and 142,240

Calculator

Solution

The fourth proportional to 191,936.74, 287,336.49 and 142,240 is: 212,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,936.74 : 287,336.49 = 142,240 : x
  2. Step 2: Convert to fraction form
    191,936.74/287,336.49 = 142,240/x
  3. Step 3: Cross multiply
    191,936.74x = 287,336.49 × 142,240
  4. Step 4: Simplify right side
    191,936.74x = 40,870,742,337.60
  5. Step 5: Solve for x
    x = 40,870,742,337.60/191,936.74
  6. Step 6: Final answer
    x = 212,938.61

Related Problems

Find fourth proportional to 95,968.37, 143,668.25 and 71,120
Half scale
Find fourth proportional to 383,873.48, 574,672.98 and 284,480
Double scale
Find fourth proportional to 191,937.74, 287,337.99 and 142,241
Similar ratio
Find fourth proportional to 287,905.11, 431,004.74 and 213,360
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.