Home / 144,184.24-198,972.84-80,520.40

Finding the Fourth Proportional to 144,184.24, 198,972.84 and 80,520.40

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Solution

The fourth proportional to 144,184.24, 198,972.84 and 80,520.40 is: 111,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,184.24 : 198,972.84 = 80,520.40 : x
  2. Step 2: Convert to fraction form
    144,184.24/198,972.84 = 80,520.40/x
  3. Step 3: Cross multiply
    144,184.24x = 198,972.84 × 80,520.40
  4. Step 4: Simplify right side
    144,184.24x = 16,021,372,665.94
  5. Step 5: Solve for x
    x = 16,021,372,665.94/144,184.24
  6. Step 6: Final answer
    x = 111,117.36

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1.5x scale

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.