Home / 261,830.28-392,776.17-93,374.55

Finding the Fourth Proportional to 261,830.28, 392,776.17 and 93,374.55

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Solution

The fourth proportional to 261,830.28, 392,776.17 and 93,374.55 is: 140,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,830.28 : 392,776.17 = 93,374.55 : x
  2. Step 2: Convert to fraction form
    261,830.28/392,776.17 = 93,374.55/x
  3. Step 3: Cross multiply
    261,830.28x = 392,776.17 × 93,374.55
  4. Step 4: Simplify right side
    261,830.28x = 36,675,298,124.47
  5. Step 5: Solve for x
    x = 36,675,298,124.47/261,830.28
  6. Step 6: Final answer
    x = 140,072.79

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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.