Home / 138,445.20-207,526.86-63,513.72

Finding the Fourth Proportional to 138,445.20, 207,526.86 and 63,513.72

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Solution

The fourth proportional to 138,445.20, 207,526.86 and 63,513.72 is: 95,205.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,445.20 : 207,526.86 = 63,513.72 : x
  2. Step 2: Convert to fraction form
    138,445.20/207,526.86 = 63,513.72/x
  3. Step 3: Cross multiply
    138,445.20x = 207,526.86 × 63,513.72
  4. Step 4: Simplify right side
    138,445.20x = 13,180,802,878.52
  5. Step 5: Solve for x
    x = 13,180,802,878.52/138,445.20
  6. Step 6: Final answer
    x = 95,205.92

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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.