Home / 182,145.40-273,218.10-129,001.30

Finding the Fourth Proportional to 182,145.40, 273,218.10 and 129,001.30

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Solution

The fourth proportional to 182,145.40, 273,218.10 and 129,001.30 is: 193,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,145.40 : 273,218.10 = 129,001.30 : x
  2. Step 2: Convert to fraction form
    182,145.40/273,218.10 = 129,001.30/x
  3. Step 3: Cross multiply
    182,145.40x = 273,218.10 × 129,001.30
  4. Step 4: Simplify right side
    182,145.40x = 35,245,490,083.53
  5. Step 5: Solve for x
    x = 35,245,490,083.53/182,145.40
  6. Step 6: Final answer
    x = 193,501.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.