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Finding the Fourth Proportional to 156,458.84, 215,925.48 and 132,125.72

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Solution

The fourth proportional to 156,458.84, 215,925.48 and 132,125.72 is: 182,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,458.84 : 215,925.48 = 132,125.72 : x
  2. Step 2: Convert to fraction form
    156,458.84/215,925.48 = 132,125.72/x
  3. Step 3: Cross multiply
    156,458.84x = 215,925.48 × 132,125.72
  4. Step 4: Simplify right side
    156,458.84x = 28,529,309,511.35
  5. Step 5: Solve for x
    x = 28,529,309,511.35/156,458.84
  6. Step 6: Final answer
    x = 182,343.86

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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.