Home / 127,175.60-175,517.88-70,605.20

Finding the Fourth Proportional to 127,175.60, 175,517.88 and 70,605.20

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Solution

The fourth proportional to 127,175.60, 175,517.88 and 70,605.20 is: 97,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,175.60 : 175,517.88 = 70,605.20 : x
  2. Step 2: Convert to fraction form
    127,175.60/175,517.88 = 70,605.20/x
  3. Step 3: Cross multiply
    127,175.60x = 175,517.88 × 70,605.20
  4. Step 4: Simplify right side
    127,175.60x = 12,392,475,020.98
  5. Step 5: Solve for x
    x = 12,392,475,020.98/127,175.60
  6. Step 6: Final answer
    x = 97,443.81

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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.