Home / 247,836.73-342,031.61-140,407.65

Finding the Fourth Proportional to 247,836.73, 342,031.61 and 140,407.65

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Solution

The fourth proportional to 247,836.73, 342,031.61 and 140,407.65 is: 193,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,836.73 : 342,031.61 = 140,407.65 : x
  2. Step 2: Convert to fraction form
    247,836.73/342,031.61 = 140,407.65/x
  3. Step 3: Cross multiply
    247,836.73x = 342,031.61 × 140,407.65
  4. Step 4: Simplify right side
    247,836.73x = 48,023,854,585.82
  5. Step 5: Solve for x
    x = 48,023,854,585.82/247,836.73
  6. Step 6: Final answer
    x = 193,772.14

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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.