Home / 96,067.80-144,416.91-89,131.56

Finding the Fourth Proportional to 96,067.80, 144,416.91 and 89,131.56

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Solution

The fourth proportional to 96,067.80, 144,416.91 and 89,131.56 is: 133,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,067.80 : 144,416.91 = 89,131.56 : x
  2. Step 2: Convert to fraction form
    96,067.80/144,416.91 = 89,131.56/x
  3. Step 3: Cross multiply
    96,067.80x = 144,416.91 × 89,131.56
  4. Step 4: Simplify right side
    96,067.80x = 12,872,104,478.68
  5. Step 5: Solve for x
    x = 12,872,104,478.68/96,067.80
  6. Step 6: Final answer
    x = 133,989.79

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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.