Home / 135,176.91-202,470.03-68,502.57

Finding the Fourth Proportional to 135,176.91, 202,470.03 and 68,502.57

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Solution

The fourth proportional to 135,176.91, 202,470.03 and 68,502.57 is: 102,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,176.91 : 202,470.03 = 68,502.57 : x
  2. Step 2: Convert to fraction form
    135,176.91/202,470.03 = 68,502.57/x
  3. Step 3: Cross multiply
    135,176.91x = 202,470.03 × 68,502.57
  4. Step 4: Simplify right side
    135,176.91x = 13,869,717,402.98
  5. Step 5: Solve for x
    x = 13,869,717,402.98/135,176.91
  6. Step 6: Final answer
    x = 102,604.19

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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.