Home / 156,438.08-215,827.92-102,752.24

Finding the Fourth Proportional to 156,438.08, 215,827.92 and 102,752.24

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Solution

The fourth proportional to 156,438.08, 215,827.92 and 102,752.24 is: 141,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,438.08 : 215,827.92 = 102,752.24 : x
  2. Step 2: Convert to fraction form
    156,438.08/215,827.92 = 102,752.24/x
  3. Step 3: Cross multiply
    156,438.08x = 215,827.92 × 102,752.24
  4. Step 4: Simplify right side
    156,438.08x = 22,176,802,234.54
  5. Step 5: Solve for x
    x = 22,176,802,234.54/156,438.08
  6. Step 6: Final answer
    x = 141,760.90

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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.