Home / 162,500.45-243,781.21-73,760.20

Finding the Fourth Proportional to 162,500.45, 243,781.21 and 73,760.20

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Solution

The fourth proportional to 162,500.45, 243,781.21 and 73,760.20 is: 110,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,500.45 : 243,781.21 = 73,760.20 : x
  2. Step 2: Convert to fraction form
    162,500.45/243,781.21 = 73,760.20/x
  3. Step 3: Cross multiply
    162,500.45x = 243,781.21 × 73,760.20
  4. Step 4: Simplify right side
    162,500.45x = 17,981,350,805.84
  5. Step 5: Solve for x
    x = 17,981,350,805.84/162,500.45
  6. Step 6: Final answer
    x = 110,654.16

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1.5x scale

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.