Home / 156,049.82-215,348.64-88,081.10

Finding the Fourth Proportional to 156,049.82, 215,348.64 and 88,081.10

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Solution

The fourth proportional to 156,049.82, 215,348.64 and 88,081.10 is: 121,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,049.82 : 215,348.64 = 88,081.10 : x
  2. Step 2: Convert to fraction form
    156,049.82/215,348.64 = 88,081.10/x
  3. Step 3: Cross multiply
    156,049.82x = 215,348.64 × 88,081.10
  4. Step 4: Simplify right side
    156,049.82x = 18,968,145,094.70
  5. Step 5: Solve for x
    x = 18,968,145,094.70/156,049.82
  6. Step 6: Final answer
    x = 121,551.86

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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.