Home / 144,174.46-198,956.89-79,642.30

Finding the Fourth Proportional to 144,174.46, 198,956.89 and 79,642.30

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Solution

The fourth proportional to 144,174.46, 198,956.89 and 79,642.30 is: 109,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,174.46 : 198,956.89 = 79,642.30 : x
  2. Step 2: Convert to fraction form
    144,174.46/198,956.89 = 79,642.30/x
  3. Step 3: Cross multiply
    144,174.46x = 198,956.89 × 79,642.30
  4. Step 4: Simplify right side
    144,174.46x = 15,845,384,320.45
  5. Step 5: Solve for x
    x = 15,845,384,320.45/144,174.46
  6. Step 6: Final answer
    x = 109,904.24

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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.