Home / 144,114.29-198,869.68-80,456.19

Finding the Fourth Proportional to 144,114.29, 198,869.68 and 80,456.19

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Solution

The fourth proportional to 144,114.29, 198,869.68 and 80,456.19 is: 111,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,114.29 : 198,869.68 = 80,456.19 : x
  2. Step 2: Convert to fraction form
    144,114.29/198,869.68 = 80,456.19/x
  3. Step 3: Cross multiply
    144,114.29x = 198,869.68 × 80,456.19
  4. Step 4: Simplify right side
    144,114.29x = 16,000,296,114.13
  5. Step 5: Solve for x
    x = 16,000,296,114.13/144,114.29
  6. Step 6: Final answer
    x = 111,025.05

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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.