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Finding the Fourth Proportional to 132,064.52, 182,245.28 and 75,475.76

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Solution

The fourth proportional to 132,064.52, 182,245.28 and 75,475.76 is: 104,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,064.52 : 182,245.28 = 75,475.76 : x
  2. Step 2: Convert to fraction form
    132,064.52/182,245.28 = 75,475.76/x
  3. Step 3: Cross multiply
    132,064.52x = 182,245.28 × 75,475.76
  4. Step 4: Simplify right side
    132,064.52x = 13,755,101,014.41
  5. Step 5: Solve for x
    x = 13,755,101,014.41/132,064.52
  6. Step 6: Final answer
    x = 104,154.40

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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.