Home / 132,411.52-182,728.68-71,982.64

Finding the Fourth Proportional to 132,411.52, 182,728.68 and 71,982.64

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Solution

The fourth proportional to 132,411.52, 182,728.68 and 71,982.64 is: 99,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,411.52 : 182,728.68 = 71,982.64 : x
  2. Step 2: Convert to fraction form
    132,411.52/182,728.68 = 71,982.64/x
  3. Step 3: Cross multiply
    132,411.52x = 182,728.68 × 71,982.64
  4. Step 4: Simplify right side
    132,411.52x = 13,153,292,790.12
  5. Step 5: Solve for x
    x = 13,153,292,790.12/132,411.52
  6. Step 6: Final answer
    x = 99,336.47

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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.