Home / 123,881.38-170,956.50-67,292.76

Finding the Fourth Proportional to 123,881.38, 170,956.50 and 67,292.76

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Solution

The fourth proportional to 123,881.38, 170,956.50 and 67,292.76 is: 92,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,881.38 : 170,956.50 = 67,292.76 : x
  2. Step 2: Convert to fraction form
    123,881.38/170,956.50 = 67,292.76/x
  3. Step 3: Cross multiply
    123,881.38x = 170,956.50 × 67,292.76
  4. Step 4: Simplify right side
    123,881.38x = 11,504,134,724.94
  5. Step 5: Solve for x
    x = 11,504,134,724.94/123,881.38
  6. Step 6: Final answer
    x = 92,864.12

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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.