Home / 138,427.10-207,640.65-44,932.85

Finding the Fourth Proportional to 138,427.10, 207,640.65 and 44,932.85

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Solution

The fourth proportional to 138,427.10, 207,640.65 and 44,932.85 is: 67,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,427.10 : 207,640.65 = 44,932.85 : x
  2. Step 2: Convert to fraction form
    138,427.10/207,640.65 = 44,932.85/x
  3. Step 3: Cross multiply
    138,427.10x = 207,640.65 × 44,932.85
  4. Step 4: Simplify right side
    138,427.10x = 9,329,886,180.35
  5. Step 5: Solve for x
    x = 9,329,886,180.35/138,427.10
  6. Step 6: Final answer
    x = 67,399.28

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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.