Home / 132,131.55-182,342.03-71,702.20

Finding the Fourth Proportional to 132,131.55, 182,342.03 and 71,702.20

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Solution

The fourth proportional to 132,131.55, 182,342.03 and 71,702.20 is: 98,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,131.55 : 182,342.03 = 71,702.20 : x
  2. Step 2: Convert to fraction form
    132,131.55/182,342.03 = 71,702.20/x
  3. Step 3: Cross multiply
    132,131.55x = 182,342.03 × 71,702.20
  4. Step 4: Simplify right side
    132,131.55x = 13,074,324,703.47
  5. Step 5: Solve for x
    x = 13,074,324,703.47/132,131.55
  6. Step 6: Final answer
    x = 98,949.30

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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.