Home / 252,342.88-348,233.49-137,621.76

Finding the Fourth Proportional to 252,342.88, 348,233.49 and 137,621.76

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Solution

The fourth proportional to 252,342.88, 348,233.49 and 137,621.76 is: 189,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,342.88 : 348,233.49 = 137,621.76 : x
  2. Step 2: Convert to fraction form
    252,342.88/348,233.49 = 137,621.76/x
  3. Step 3: Cross multiply
    252,342.88x = 348,233.49 × 137,621.76
  4. Step 4: Simplify right side
    252,342.88x = 47,924,505,784.74
  5. Step 5: Solve for x
    x = 47,924,505,784.74/252,342.88
  6. Step 6: Final answer
    x = 189,918.20

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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.