Home / 144,092.19-198,832.89-79,557.24

Finding the Fourth Proportional to 144,092.19, 198,832.89 and 79,557.24

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Solution

The fourth proportional to 144,092.19, 198,832.89 and 79,557.24 is: 109,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,092.19 : 198,832.89 = 79,557.24 : x
  2. Step 2: Convert to fraction form
    144,092.19/198,832.89 = 79,557.24/x
  3. Step 3: Cross multiply
    144,092.19x = 198,832.89 × 79,557.24
  4. Step 4: Simplify right side
    144,092.19x = 15,818,595,949.62
  5. Step 5: Solve for x
    x = 15,818,595,949.62/144,092.19
  6. Step 6: Final answer
    x = 109,781.08

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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.