Home / 137,799.72-206,658.50-53,572.96

Finding the Fourth Proportional to 137,799.72, 206,658.50 and 53,572.96

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Solution

The fourth proportional to 137,799.72, 206,658.50 and 53,572.96 is: 80,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,799.72 : 206,658.50 = 53,572.96 : x
  2. Step 2: Convert to fraction form
    137,799.72/206,658.50 = 53,572.96/x
  3. Step 3: Cross multiply
    137,799.72x = 206,658.50 × 53,572.96
  4. Step 4: Simplify right side
    137,799.72x = 11,071,307,554.16
  5. Step 5: Solve for x
    x = 11,071,307,554.16/137,799.72
  6. Step 6: Final answer
    x = 80,343.47

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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.