Home / 135,614.56-187,142.94-75,186.14

Finding the Fourth Proportional to 135,614.56, 187,142.94 and 75,186.14

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Solution

The fourth proportional to 135,614.56, 187,142.94 and 75,186.14 is: 103,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,614.56 : 187,142.94 = 75,186.14 : x
  2. Step 2: Convert to fraction form
    135,614.56/187,142.94 = 75,186.14/x
  3. Step 3: Cross multiply
    135,614.56x = 187,142.94 × 75,186.14
  4. Step 4: Simplify right side
    135,614.56x = 14,070,555,286.85
  5. Step 5: Solve for x
    x = 14,070,555,286.85/135,614.56
  6. Step 6: Final answer
    x = 103,754.02

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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.