Home / 252,097.20-347,892.41-138,919.95

Finding the Fourth Proportional to 252,097.20, 347,892.41 and 138,919.95

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Solution

The fourth proportional to 252,097.20, 347,892.41 and 138,919.95 is: 191,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,097.20 : 347,892.41 = 138,919.95 : x
  2. Step 2: Convert to fraction form
    252,097.20/347,892.41 = 138,919.95/x
  3. Step 3: Cross multiply
    252,097.20x = 347,892.41 × 138,919.95
  4. Step 4: Simplify right side
    252,097.20x = 48,329,195,507.98
  5. Step 5: Solve for x
    x = 48,329,195,507.98/252,097.20
  6. Step 6: Final answer
    x = 191,708.58

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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.