Home / 252,177.90-348,003.28-137,456.58

Finding the Fourth Proportional to 252,177.90, 348,003.28 and 137,456.58

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Solution

The fourth proportional to 252,177.90, 348,003.28 and 137,456.58 is: 189,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,177.90 : 348,003.28 = 137,456.58 : x
  2. Step 2: Convert to fraction form
    252,177.90/348,003.28 = 137,456.58/x
  3. Step 3: Cross multiply
    252,177.90x = 348,003.28 × 137,456.58
  4. Step 4: Simplify right side
    252,177.90x = 47,835,340,697.58
  5. Step 5: Solve for x
    x = 47,835,340,697.58/252,177.90
  6. Step 6: Final answer
    x = 189,688.87

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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.