Home / 121,545.46-182,337.63-51,425.38

Finding the Fourth Proportional to 121,545.46, 182,337.63 and 51,425.38

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Solution

The fourth proportional to 121,545.46, 182,337.63 and 51,425.38 is: 77,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,545.46 : 182,337.63 = 51,425.38 : x
  2. Step 2: Convert to fraction form
    121,545.46/182,337.63 = 51,425.38/x
  3. Step 3: Cross multiply
    121,545.46x = 182,337.63 × 51,425.38
  4. Step 4: Simplify right side
    121,545.46x = 9,376,781,911.05
  5. Step 5: Solve for x
    x = 9,376,781,911.05/121,545.46
  6. Step 6: Final answer
    x = 77,146.29

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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.