Home / 131,990.13-182,146.55-71,560.76

Finding the Fourth Proportional to 131,990.13, 182,146.55 and 71,560.76

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Solution

The fourth proportional to 131,990.13, 182,146.55 and 71,560.76 is: 98,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,990.13 : 182,146.55 = 71,560.76 : x
  2. Step 2: Convert to fraction form
    131,990.13/182,146.55 = 71,560.76/x
  3. Step 3: Cross multiply
    131,990.13x = 182,146.55 × 71,560.76
  4. Step 4: Simplify right side
    131,990.13x = 13,034,544,280.84
  5. Step 5: Solve for x
    x = 13,034,544,280.84/131,990.13
  6. Step 6: Final answer
    x = 98,753.93

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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.