Home / 137,733.19-206,156.89-71,082.54

Finding the Fourth Proportional to 137,733.19, 206,156.89 and 71,082.54

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Solution

The fourth proportional to 137,733.19, 206,156.89 and 71,082.54 is: 106,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,733.19 : 206,156.89 = 71,082.54 : x
  2. Step 2: Convert to fraction form
    137,733.19/206,156.89 = 71,082.54/x
  3. Step 3: Cross multiply
    137,733.19x = 206,156.89 × 71,082.54
  4. Step 4: Simplify right side
    137,733.19x = 14,654,155,379.70
  5. Step 5: Solve for x
    x = 14,654,155,379.70/137,733.19
  6. Step 6: Final answer
    x = 106,395.24

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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.