Home / 143,827.24-198,482.52-80,169.08

Finding the Fourth Proportional to 143,827.24, 198,482.52 and 80,169.08

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Solution

The fourth proportional to 143,827.24, 198,482.52 and 80,169.08 is: 110,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,827.24 : 198,482.52 = 80,169.08 : x
  2. Step 2: Convert to fraction form
    143,827.24/198,482.52 = 80,169.08/x
  3. Step 3: Cross multiply
    143,827.24x = 198,482.52 × 80,169.08
  4. Step 4: Simplify right side
    143,827.24x = 15,912,161,024.48
  5. Step 5: Solve for x
    x = 15,912,161,024.48/143,827.24
  6. Step 6: Final answer
    x = 110,633.85

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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.