Home / 252,098.20-347,893.78-138,920.95

Finding the Fourth Proportional to 252,098.20, 347,893.78 and 138,920.95

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Solution

The fourth proportional to 252,098.20, 347,893.78 and 138,920.95 is: 191,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,098.20 : 347,893.78 = 138,920.95 : x
  2. Step 2: Convert to fraction form
    252,098.20/347,893.78 = 138,920.95/x
  3. Step 3: Cross multiply
    252,098.20x = 347,893.78 × 138,920.95
  4. Step 4: Simplify right side
    252,098.20x = 48,329,734,416.69
  5. Step 5: Solve for x
    x = 48,329,734,416.69/252,098.20
  6. Step 6: Final answer
    x = 191,709.95

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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.