Home / 252,321.15-348,198.82-137,600.70

Finding the Fourth Proportional to 252,321.15, 348,198.82 and 137,600.70

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Solution

The fourth proportional to 252,321.15, 348,198.82 and 137,600.70 is: 189,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,321.15 : 348,198.82 = 137,600.70 : x
  2. Step 2: Convert to fraction form
    252,321.15/348,198.82 = 137,600.70/x
  3. Step 3: Cross multiply
    252,321.15x = 348,198.82 × 137,600.70
  4. Step 4: Simplify right side
    252,321.15x = 47,912,400,672.68
  5. Step 5: Solve for x
    x = 47,912,400,672.68/252,321.15
  6. Step 6: Final answer
    x = 189,886.58

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1.5x scale

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.