Home / 135,747.25-187,322.22-75,315.88

Finding the Fourth Proportional to 135,747.25, 187,322.22 and 75,315.88

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Solution

The fourth proportional to 135,747.25, 187,322.22 and 75,315.88 is: 103,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,747.25 : 187,322.22 = 75,315.88 : x
  2. Step 2: Convert to fraction form
    135,747.25/187,322.22 = 75,315.88/x
  3. Step 3: Cross multiply
    135,747.25x = 187,322.22 × 75,315.88
  4. Step 4: Simplify right side
    135,747.25x = 14,108,337,842.85
  5. Step 5: Solve for x
    x = 14,108,337,842.85/135,747.25
  6. Step 6: Final answer
    x = 103,930.93

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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.