Home / 135,319.14-203,008.61-40,545.46

Finding the Fourth Proportional to 135,319.14, 203,008.61 and 40,545.46

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Solution

The fourth proportional to 135,319.14, 203,008.61 and 40,545.46 is: 60,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,319.14 : 203,008.61 = 40,545.46 : x
  2. Step 2: Convert to fraction form
    135,319.14/203,008.61 = 40,545.46/x
  3. Step 3: Cross multiply
    135,319.14x = 203,008.61 × 40,545.46
  4. Step 4: Simplify right side
    135,319.14x = 8,231,077,476.41
  5. Step 5: Solve for x
    x = 8,231,077,476.41/135,319.14
  6. Step 6: Final answer
    x = 60,827.15

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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.