Home / 131,886.48-182,002.68-71,456.70

Finding the Fourth Proportional to 131,886.48, 182,002.68 and 71,456.70

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Solution

The fourth proportional to 131,886.48, 182,002.68 and 71,456.70 is: 98,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,886.48 : 182,002.68 = 71,456.70 : x
  2. Step 2: Convert to fraction form
    131,886.48/182,002.68 = 71,456.70/x
  3. Step 3: Cross multiply
    131,886.48x = 182,002.68 × 71,456.70
  4. Step 4: Simplify right side
    131,886.48x = 13,005,310,903.96
  5. Step 5: Solve for x
    x = 13,005,310,903.96/131,886.48
  6. Step 6: Final answer
    x = 98,609.89

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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.