Home / 100,914.78-151,386.84-30,784.98

Finding the Fourth Proportional to 100,914.78, 151,386.84 and 30,784.98

Calculator

Solution

The fourth proportional to 100,914.78, 151,386.84 and 30,784.98 is: 46,181.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,914.78 : 151,386.84 = 30,784.98 : x
  2. Step 2: Convert to fraction form
    100,914.78/151,386.84 = 30,784.98/x
  3. Step 3: Cross multiply
    100,914.78x = 151,386.84 × 30,784.98
  4. Step 4: Simplify right side
    100,914.78x = 4,660,440,841.66
  5. Step 5: Solve for x
    x = 4,660,440,841.66/100,914.78
  6. Step 6: Final answer
    x = 46,181.95

Related Problems

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.