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Finding the Fourth Proportional to 96,344.70, 144,517.05 and 90,512.70

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Solution

The fourth proportional to 96,344.70, 144,517.05 and 90,512.70 is: 135,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,344.70 : 144,517.05 = 90,512.70 : x
  2. Step 2: Convert to fraction form
    96,344.70/144,517.05 = 90,512.70/x
  3. Step 3: Cross multiply
    96,344.70x = 144,517.05 × 90,512.70
  4. Step 4: Simplify right side
    96,344.70x = 13,080,628,391.54
  5. Step 5: Solve for x
    x = 13,080,628,391.54/96,344.70
  6. Step 6: Final answer
    x = 135,769.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.