Home / 131,887.38-182,067.66-75,287.82

Finding the Fourth Proportional to 131,887.38, 182,067.66 and 75,287.82

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Solution

The fourth proportional to 131,887.38, 182,067.66 and 75,287.82 is: 103,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,887.38 : 182,067.66 = 75,287.82 : x
  2. Step 2: Convert to fraction form
    131,887.38/182,067.66 = 75,287.82/x
  3. Step 3: Cross multiply
    131,887.38x = 182,067.66 × 75,287.82
  4. Step 4: Simplify right side
    131,887.38x = 13,707,477,213.90
  5. Step 5: Solve for x
    x = 13,707,477,213.90/131,887.38
  6. Step 6: Final answer
    x = 103,933.20

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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.