Home / 144,165.18-198,948.12-80,502.96

Finding the Fourth Proportional to 144,165.18, 198,948.12 and 80,502.96

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Solution

The fourth proportional to 144,165.18, 198,948.12 and 80,502.96 is: 111,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,165.18 : 198,948.12 = 80,502.96 : x
  2. Step 2: Convert to fraction form
    144,165.18/198,948.12 = 80,502.96/x
  3. Step 3: Cross multiply
    144,165.18x = 198,948.12 × 80,502.96
  4. Step 4: Simplify right side
    144,165.18x = 16,015,912,546.44
  5. Step 5: Solve for x
    x = 16,015,912,546.44/144,165.18
  6. Step 6: Final answer
    x = 111,094.18

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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.