Home / 132,344.52-182,730.78-81,425.76

Finding the Fourth Proportional to 132,344.52, 182,730.78 and 81,425.76

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Solution

The fourth proportional to 132,344.52, 182,730.78 and 81,425.76 is: 112,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,344.52 : 182,730.78 = 81,425.76 : x
  2. Step 2: Convert to fraction form
    132,344.52/182,730.78 = 81,425.76/x
  3. Step 3: Cross multiply
    132,344.52x = 182,730.78 × 81,425.76
  4. Step 4: Simplify right side
    132,344.52x = 14,878,992,636.89
  5. Step 5: Solve for x
    x = 14,878,992,636.89/132,344.52
  6. Step 6: Final answer
    x = 112,426.21

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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.