Home / 161,575.89-242,251.39-71,569.74

Finding the Fourth Proportional to 161,575.89, 242,251.39 and 71,569.74

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Solution

The fourth proportional to 161,575.89, 242,251.39 and 71,569.74 is: 107,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,575.89 : 242,251.39 = 71,569.74 : x
  2. Step 2: Convert to fraction form
    161,575.89/242,251.39 = 71,569.74/x
  3. Step 3: Cross multiply
    161,575.89x = 242,251.39 × 71,569.74
  4. Step 4: Simplify right side
    161,575.89x = 17,337,868,996.94
  5. Step 5: Solve for x
    x = 17,337,868,996.94/161,575.89
  6. Step 6: Final answer
    x = 107,304.80

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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.