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Finding the Fourth Proportional to 132,286.92, 182,557.92 and 71,858.74

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Solution

The fourth proportional to 132,286.92, 182,557.92 and 71,858.74 is: 99,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,286.92 : 182,557.92 = 71,858.74 : x
  2. Step 2: Convert to fraction form
    132,286.92/182,557.92 = 71,858.74/x
  3. Step 3: Cross multiply
    132,286.92x = 182,557.92 × 71,858.74
  4. Step 4: Simplify right side
    132,286.92x = 13,118,382,108.22
  5. Step 5: Solve for x
    x = 13,118,382,108.22/132,286.92
  6. Step 6: Final answer
    x = 99,166.13

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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.