Home / 125,616.15-188,260.20-90,514.80

Finding the Fourth Proportional to 125,616.15, 188,260.20 and 90,514.80

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Solution

The fourth proportional to 125,616.15, 188,260.20 and 90,514.80 is: 135,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,616.15 : 188,260.20 = 90,514.80 : x
  2. Step 2: Convert to fraction form
    125,616.15/188,260.20 = 90,514.80/x
  3. Step 3: Cross multiply
    125,616.15x = 188,260.20 × 90,514.80
  4. Step 4: Simplify right side
    125,616.15x = 17,040,334,350.96
  5. Step 5: Solve for x
    x = 17,040,334,350.96/125,616.15
  6. Step 6: Final answer
    x = 135,654.01

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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.