Home / 144,184.48-198,960.36-80,520.90

Finding the Fourth Proportional to 144,184.48, 198,960.36 and 80,520.90

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Solution

The fourth proportional to 144,184.48, 198,960.36 and 80,520.90 is: 111,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,184.48 : 198,960.36 = 80,520.90 : x
  2. Step 2: Convert to fraction form
    144,184.48/198,960.36 = 80,520.90/x
  3. Step 3: Cross multiply
    144,184.48x = 198,960.36 × 80,520.90
  4. Step 4: Simplify right side
    144,184.48x = 16,020,467,251.52
  5. Step 5: Solve for x
    x = 16,020,467,251.52/144,184.48
  6. Step 6: Final answer
    x = 111,110.90

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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.