Home / 108,560.20-162,494.70-77,456.20

Finding the Fourth Proportional to 108,560.20, 162,494.70 and 77,456.20

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Solution

The fourth proportional to 108,560.20, 162,494.70 and 77,456.20 is: 115,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,560.20 : 162,494.70 = 77,456.20 : x
  2. Step 2: Convert to fraction form
    108,560.20/162,494.70 = 77,456.20/x
  3. Step 3: Cross multiply
    108,560.20x = 162,494.70 × 77,456.20
  4. Step 4: Simplify right side
    108,560.20x = 12,586,221,982.14
  5. Step 5: Solve for x
    x = 12,586,221,982.14/108,560.20
  6. Step 6: Final answer
    x = 115,937.72

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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.