Home / 156,250.17-215,624.18-88,289.15

Finding the Fourth Proportional to 156,250.17, 215,624.18 and 88,289.15

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Solution

The fourth proportional to 156,250.17, 215,624.18 and 88,289.15 is: 121,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,250.17 : 215,624.18 = 88,289.15 : x
  2. Step 2: Convert to fraction form
    156,250.17/215,624.18 = 88,289.15/x
  3. Step 3: Cross multiply
    156,250.17x = 215,624.18 × 88,289.15
  4. Step 4: Simplify right side
    156,250.17x = 19,037,274,052.08
  5. Step 5: Solve for x
    x = 19,037,274,052.08/156,250.17
  6. Step 6: Final answer
    x = 121,838.42

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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.