Home / 131,198.93-181,110.38-88,203.36

Finding the Fourth Proportional to 131,198.93, 181,110.38 and 88,203.36

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Solution

The fourth proportional to 131,198.93, 181,110.38 and 88,203.36 is: 121,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,198.93 : 181,110.38 = 88,203.36 : x
  2. Step 2: Convert to fraction form
    131,198.93/181,110.38 = 88,203.36/x
  3. Step 3: Cross multiply
    131,198.93x = 181,110.38 × 88,203.36
  4. Step 4: Simplify right side
    131,198.93x = 15,974,543,253.05
  5. Step 5: Solve for x
    x = 15,974,543,253.05/131,198.93
  6. Step 6: Final answer
    x = 121,758.18

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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.