Home / 127,279.62-175,640.94-70,694.64

Finding the Fourth Proportional to 127,279.62, 175,640.94 and 70,694.64

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Solution

The fourth proportional to 127,279.62, 175,640.94 and 70,694.64 is: 97,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,279.62 : 175,640.94 = 70,694.64 : x
  2. Step 2: Convert to fraction form
    127,279.62/175,640.94 = 70,694.64/x
  3. Step 3: Cross multiply
    127,279.62x = 175,640.94 × 70,694.64
  4. Step 4: Simplify right side
    127,279.62x = 12,416,873,022.56
  5. Step 5: Solve for x
    x = 12,416,873,022.56/127,279.62
  6. Step 6: Final answer
    x = 97,555.86

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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.