Home / 137,932.56-206,887.92-43,177.20

Finding the Fourth Proportional to 137,932.56, 206,887.92 and 43,177.20

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Solution

The fourth proportional to 137,932.56, 206,887.92 and 43,177.20 is: 64,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,932.56 : 206,887.92 = 43,177.20 : x
  2. Step 2: Convert to fraction form
    137,932.56/206,887.92 = 43,177.20/x
  3. Step 3: Cross multiply
    137,932.56x = 206,887.92 × 43,177.20
  4. Step 4: Simplify right side
    137,932.56x = 8,932,841,099.42
  5. Step 5: Solve for x
    x = 8,932,841,099.42/137,932.56
  6. Step 6: Final answer
    x = 64,762.38

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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.