Home / 161,503.28-242,267-43,171.92

Finding the Fourth Proportional to 161,503.28, 242,267 and 43,171.92

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Solution

The fourth proportional to 161,503.28, 242,267 and 43,171.92 is: 64,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,503.28 : 242,267 = 43,171.92 : x
  2. Step 2: Convert to fraction form
    161,503.28/242,267 = 43,171.92/x
  3. Step 3: Cross multiply
    161,503.28x = 242,267 × 43,171.92
  4. Step 4: Simplify right side
    161,503.28x = 10,459,131,542.64
  5. Step 5: Solve for x
    x = 10,459,131,542.64/161,503.28
  6. Step 6: Final answer
    x = 64,761.11

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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.