Home / 96,010.20-143,723.70-85,512.60

Finding the Fourth Proportional to 96,010.20, 143,723.70 and 85,512.60

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Solution

The fourth proportional to 96,010.20, 143,723.70 and 85,512.60 is: 128,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,010.20 : 143,723.70 = 85,512.60 : x
  2. Step 2: Convert to fraction form
    96,010.20/143,723.70 = 85,512.60/x
  3. Step 3: Cross multiply
    96,010.20x = 143,723.70 × 85,512.60
  4. Step 4: Simplify right side
    96,010.20x = 12,290,187,268.62
  5. Step 5: Solve for x
    x = 12,290,187,268.62/96,010.20
  6. Step 6: Final answer
    x = 128,009.18

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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.