Home / 252,335.20-348,218.10-137,614.70

Finding the Fourth Proportional to 252,335.20, 348,218.10 and 137,614.70

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Solution

The fourth proportional to 252,335.20, 348,218.10 and 137,614.70 is: 189,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,335.20 : 348,218.10 = 137,614.70 : x
  2. Step 2: Convert to fraction form
    252,335.20/348,218.10 = 137,614.70/x
  3. Step 3: Cross multiply
    252,335.20x = 348,218.10 × 137,614.70
  4. Step 4: Simplify right side
    252,335.20x = 47,919,929,366.07
  5. Step 5: Solve for x
    x = 47,919,929,366.07/252,335.20
  6. Step 6: Final answer
    x = 189,905.84

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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.