Home / 161,789.13-242,793.05-56,609.01

Finding the Fourth Proportional to 161,789.13, 242,793.05 and 56,609.01

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Solution

The fourth proportional to 161,789.13, 242,793.05 and 56,609.01 is: 84,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,789.13 : 242,793.05 = 56,609.01 : x
  2. Step 2: Convert to fraction form
    161,789.13/242,793.05 = 56,609.01/x
  3. Step 3: Cross multiply
    161,789.13x = 242,793.05 × 56,609.01
  4. Step 4: Simplify right side
    161,789.13x = 13,744,273,912.34
  5. Step 5: Solve for x
    x = 13,744,273,912.34/161,789.13
  6. Step 6: Final answer
    x = 84,951.78

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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.