Home / 131,966.20-182,109.90-71,534.20

Finding the Fourth Proportional to 131,966.20, 182,109.90 and 71,534.20

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Solution

The fourth proportional to 131,966.20, 182,109.90 and 71,534.20 is: 98,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,966.20 : 182,109.90 = 71,534.20 : x
  2. Step 2: Convert to fraction form
    131,966.20/182,109.90 = 71,534.20/x
  3. Step 3: Cross multiply
    131,966.20x = 182,109.90 × 71,534.20
  4. Step 4: Simplify right side
    131,966.20x = 13,027,086,008.58
  5. Step 5: Solve for x
    x = 13,027,086,008.58/131,966.20
  6. Step 6: Final answer
    x = 98,715.32

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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.