Home / 143,294-214,941-55,742

Finding the Fourth Proportional to 143,294, 214,941 and 55,742

Calculator

Solution

The fourth proportional to 143,294, 214,941 and 55,742 is: 83,613

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,294 : 214,941 = 55,742 : x
  2. Step 2: Convert to fraction form
    143,294/214,941 = 55,742/x
  3. Step 3: Cross multiply
    143,294x = 214,941 × 55,742
  4. Step 4: Simplify right side
    143,294x = 11,981,241,222
  5. Step 5: Solve for x
    x = 11,981,241,222/143,294
  6. Step 6: Final answer
    x = 83,613

Related Problems

Find fourth proportional to 71,647, 107,470.50 and 27,871
Half scale
Find fourth proportional to 286,588, 429,882 and 111,484
Double scale
Find fourth proportional to 143,295, 214,942.50 and 55,743
Similar ratio
Find fourth proportional to 214,941, 322,411.50 and 83,613
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.