Home / 156,098.74-215,422.42-88,118.14

Finding the Fourth Proportional to 156,098.74, 215,422.42 and 88,118.14

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Solution

The fourth proportional to 156,098.74, 215,422.42 and 88,118.14 is: 121,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,098.74 : 215,422.42 = 88,118.14 : x
  2. Step 2: Convert to fraction form
    156,098.74/215,422.42 = 88,118.14/x
  3. Step 3: Cross multiply
    156,098.74x = 215,422.42 × 88,118.14
  4. Step 4: Simplify right side
    156,098.74x = 18,982,622,964.70
  5. Step 5: Solve for x
    x = 18,982,622,964.70/156,098.74
  6. Step 6: Final answer
    x = 121,606.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.