Home / 135,306.88-202,726.96-89,686.56

Finding the Fourth Proportional to 135,306.88, 202,726.96 and 89,686.56

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Solution

The fourth proportional to 135,306.88, 202,726.96 and 89,686.56 is: 134,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,306.88 : 202,726.96 = 89,686.56 : x
  2. Step 2: Convert to fraction form
    135,306.88/202,726.96 = 89,686.56/x
  3. Step 3: Cross multiply
    135,306.88x = 202,726.96 × 89,686.56
  4. Step 4: Simplify right side
    135,306.88x = 18,181,883,661.66
  5. Step 5: Solve for x
    x = 18,181,883,661.66/135,306.88
  6. Step 6: Final answer
    x = 134,375.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.