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Finding the Fourth Proportional to 132,323.68, 182,610.16 and 75,753.28

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Solution

The fourth proportional to 132,323.68, 182,610.16 and 75,753.28 is: 104,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,323.68 : 182,610.16 = 75,753.28 : x
  2. Step 2: Convert to fraction form
    132,323.68/182,610.16 = 75,753.28/x
  3. Step 3: Cross multiply
    132,323.68x = 182,610.16 × 75,753.28
  4. Step 4: Simplify right side
    132,323.68x = 13,833,318,581.32
  5. Step 5: Solve for x
    x = 13,833,318,581.32/132,323.68
  6. Step 6: Final answer
    x = 104,541.52

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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.