Home / 132,139.52-182,352.66-71,710.17

Finding the Fourth Proportional to 132,139.52, 182,352.66 and 71,710.17

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Solution

The fourth proportional to 132,139.52, 182,352.66 and 71,710.17 is: 98,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,139.52 : 182,352.66 = 71,710.17 : x
  2. Step 2: Convert to fraction form
    132,139.52/182,352.66 = 71,710.17/x
  3. Step 3: Cross multiply
    132,139.52x = 182,352.66 × 71,710.17
  4. Step 4: Simplify right side
    132,139.52x = 13,076,540,248.55
  5. Step 5: Solve for x
    x = 13,076,540,248.55/132,139.52
  6. Step 6: Final answer
    x = 98,960.10

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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.