Home / 131,549.88-181,540.49-79,852.04

Finding the Fourth Proportional to 131,549.88, 181,540.49 and 79,852.04

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Solution

The fourth proportional to 131,549.88, 181,540.49 and 79,852.04 is: 110,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,549.88 : 181,540.49 = 79,852.04 : x
  2. Step 2: Convert to fraction form
    131,549.88/181,540.49 = 79,852.04/x
  3. Step 3: Cross multiply
    131,549.88x = 181,540.49 × 79,852.04
  4. Step 4: Simplify right side
    131,549.88x = 14,496,378,469.10
  5. Step 5: Solve for x
    x = 14,496,378,469.10/131,549.88
  6. Step 6: Final answer
    x = 110,196.82

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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.