Home / 138,062.12-207,068.88-36,861.43

Finding the Fourth Proportional to 138,062.12, 207,068.88 and 36,861.43

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Solution

The fourth proportional to 138,062.12, 207,068.88 and 36,861.43 is: 55,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,062.12 : 207,068.88 = 36,861.43 : x
  2. Step 2: Convert to fraction form
    138,062.12/207,068.88 = 36,861.43/x
  3. Step 3: Cross multiply
    138,062.12x = 207,068.88 × 36,861.43
  4. Step 4: Simplify right side
    138,062.12x = 7,632,854,930.44
  5. Step 5: Solve for x
    x = 7,632,854,930.44/138,062.12
  6. Step 6: Final answer
    x = 55,285.66

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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.