Home / 252,406.52-348,327.56-137,687.10

Finding the Fourth Proportional to 252,406.52, 348,327.56 and 137,687.10

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Solution

The fourth proportional to 252,406.52, 348,327.56 and 137,687.10 is: 190,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,406.52 : 348,327.56 = 137,687.10 : x
  2. Step 2: Convert to fraction form
    252,406.52/348,327.56 = 137,687.10/x
  3. Step 3: Cross multiply
    252,406.52x = 348,327.56 × 137,687.10
  4. Step 4: Simplify right side
    252,406.52x = 47,960,211,586.48
  5. Step 5: Solve for x
    x = 47,960,211,586.48/252,406.52
  6. Step 6: Final answer
    x = 190,011.78

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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.