Home / 252,080.04-347,887.31-138,902.79

Finding the Fourth Proportional to 252,080.04, 347,887.31 and 138,902.79

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Solution

The fourth proportional to 252,080.04, 347,887.31 and 138,902.79 is: 191,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,080.04 : 347,887.31 = 138,902.79 : x
  2. Step 2: Convert to fraction form
    252,080.04/347,887.31 = 138,902.79/x
  3. Step 3: Cross multiply
    252,080.04x = 347,887.31 × 138,902.79
  4. Step 4: Simplify right side
    252,080.04x = 48,322,517,964.59
  5. Step 5: Solve for x
    x = 48,322,517,964.59/252,080.04
  6. Step 6: Final answer
    x = 191,695.14

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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.