Home / 252,337.20-348,220.86-137,616.72

Finding the Fourth Proportional to 252,337.20, 348,220.86 and 137,616.72

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Solution

The fourth proportional to 252,337.20, 348,220.86 and 137,616.72 is: 189,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,337.20 : 348,220.86 = 137,616.72 : x
  2. Step 2: Convert to fraction form
    252,337.20/348,220.86 = 137,616.72/x
  3. Step 3: Cross multiply
    252,337.20x = 348,220.86 × 137,616.72
  4. Step 4: Simplify right side
    252,337.20x = 47,921,012,588.78
  5. Step 5: Solve for x
    x = 47,921,012,588.78/252,337.20
  6. Step 6: Final answer
    x = 189,908.63

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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.