Home / 135,931.12-187,591.19-75,501.97

Finding the Fourth Proportional to 135,931.12, 187,591.19 and 75,501.97

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Solution

The fourth proportional to 135,931.12, 187,591.19 and 75,501.97 is: 104,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,931.12 : 187,591.19 = 75,501.97 : x
  2. Step 2: Convert to fraction form
    135,931.12/187,591.19 = 75,501.97/x
  3. Step 3: Cross multiply
    135,931.12x = 187,591.19 × 75,501.97
  4. Step 4: Simplify right side
    135,931.12x = 14,163,503,553.16
  5. Step 5: Solve for x
    x = 14,163,503,553.16/135,931.12
  6. Step 6: Final answer
    x = 104,196.18

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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.