Home / 140,340.62-210,660.76-60,418.14

Finding the Fourth Proportional to 140,340.62, 210,660.76 and 60,418.14

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Solution

The fourth proportional to 140,340.62, 210,660.76 and 60,418.14 is: 90,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,340.62 : 210,660.76 = 60,418.14 : x
  2. Step 2: Convert to fraction form
    140,340.62/210,660.76 = 60,418.14/x
  3. Step 3: Cross multiply
    140,340.62x = 210,660.76 × 60,418.14
  4. Step 4: Simplify right side
    140,340.62x = 12,727,731,290.19
  5. Step 5: Solve for x
    x = 12,727,731,290.19/140,340.62
  6. Step 6: Final answer
    x = 90,691.71

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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.