Home / 135,602.38-187,142.46-75,191.97

Finding the Fourth Proportional to 135,602.38, 187,142.46 and 75,191.97

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Solution

The fourth proportional to 135,602.38, 187,142.46 and 75,191.97 is: 103,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,602.38 : 187,142.46 = 75,191.97 : x
  2. Step 2: Convert to fraction form
    135,602.38/187,142.46 = 75,191.97/x
  3. Step 3: Cross multiply
    135,602.38x = 187,142.46 × 75,191.97
  4. Step 4: Simplify right side
    135,602.38x = 14,071,610,238.05
  5. Step 5: Solve for x
    x = 14,071,610,238.05/135,602.38
  6. Step 6: Final answer
    x = 103,771.12

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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.