Home / 138,212.10-207,318.15-44,727.30

Finding the Fourth Proportional to 138,212.10, 207,318.15 and 44,727.30

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Solution

The fourth proportional to 138,212.10, 207,318.15 and 44,727.30 is: 67,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,212.10 : 207,318.15 = 44,727.30 : x
  2. Step 2: Convert to fraction form
    138,212.10/207,318.15 = 44,727.30/x
  3. Step 3: Cross multiply
    138,212.10x = 207,318.15 × 44,727.30
  4. Step 4: Simplify right side
    138,212.10x = 9,272,781,090.50
  5. Step 5: Solve for x
    x = 9,272,781,090.50/138,212.10
  6. Step 6: Final answer
    x = 67,090.95

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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.