Home / 149,351.39-206,010.77-88,876.90

Finding the Fourth Proportional to 149,351.39, 206,010.77 and 88,876.90

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Solution

The fourth proportional to 149,351.39, 206,010.77 and 88,876.90 is: 122,594.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,351.39 : 206,010.77 = 88,876.90 : x
  2. Step 2: Convert to fraction form
    149,351.39/206,010.77 = 88,876.90/x
  3. Step 3: Cross multiply
    149,351.39x = 206,010.77 × 88,876.90
  4. Step 4: Simplify right side
    149,351.39x = 18,309,597,508.50
  5. Step 5: Solve for x
    x = 18,309,597,508.50/149,351.39
  6. Step 6: Final answer
    x = 122,594.08

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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.