Home / 135,601.38-187,141.08-75,190.97

Finding the Fourth Proportional to 135,601.38, 187,141.08 and 75,190.97

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Solution

The fourth proportional to 135,601.38, 187,141.08 and 75,190.97 is: 103,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,601.38 : 187,141.08 = 75,190.97 : x
  2. Step 2: Convert to fraction form
    135,601.38/187,141.08 = 75,190.97/x
  3. Step 3: Cross multiply
    135,601.38x = 187,141.08 × 75,190.97
  4. Step 4: Simplify right side
    135,601.38x = 14,071,320,081.87
  5. Step 5: Solve for x
    x = 14,071,320,081.87/135,601.38
  6. Step 6: Final answer
    x = 103,769.74

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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.