Home / 131,885.68-182,002.26-71,456.72

Finding the Fourth Proportional to 131,885.68, 182,002.26 and 71,456.72

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Solution

The fourth proportional to 131,885.68, 182,002.26 and 71,456.72 is: 98,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,885.68 : 182,002.26 = 71,456.72 : x
  2. Step 2: Convert to fraction form
    131,885.68/182,002.26 = 71,456.72/x
  3. Step 3: Cross multiply
    131,885.68x = 182,002.26 × 71,456.72
  4. Step 4: Simplify right side
    131,885.68x = 13,005,284,532.19
  5. Step 5: Solve for x
    x = 13,005,284,532.19/131,885.68
  6. Step 6: Final answer
    x = 98,610.29

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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.