Home / 156,049.92-215,333.28-88,060.80

Finding the Fourth Proportional to 156,049.92, 215,333.28 and 88,060.80

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Solution

The fourth proportional to 156,049.92, 215,333.28 and 88,060.80 is: 121,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,049.92 : 215,333.28 = 88,060.80 : x
  2. Step 2: Convert to fraction form
    156,049.92/215,333.28 = 88,060.80/x
  3. Step 3: Cross multiply
    156,049.92x = 215,333.28 × 88,060.80
  4. Step 4: Simplify right side
    156,049.92x = 18,962,420,903.42
  5. Step 5: Solve for x
    x = 18,962,420,903.42/156,049.92
  6. Step 6: Final answer
    x = 121,515.10

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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.