Home / 127,229.88-175,624.38-109,252.74

Finding the Fourth Proportional to 127,229.88, 175,624.38 and 109,252.74

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Solution

The fourth proportional to 127,229.88, 175,624.38 and 109,252.74 is: 150,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,229.88 : 175,624.38 = 109,252.74 : x
  2. Step 2: Convert to fraction form
    127,229.88/175,624.38 = 109,252.74/x
  3. Step 3: Cross multiply
    127,229.88x = 175,624.38 × 109,252.74
  4. Step 4: Simplify right side
    127,229.88x = 19,187,444,725.80
  5. Step 5: Solve for x
    x = 19,187,444,725.80/127,229.88
  6. Step 6: Final answer
    x = 150,809.27

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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.