Home / 143,827.11-198,482.33-80,168.94

Finding the Fourth Proportional to 143,827.11, 198,482.33 and 80,168.94

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Solution

The fourth proportional to 143,827.11, 198,482.33 and 80,168.94 is: 110,633.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,827.11 : 198,482.33 = 80,168.94 : x
  2. Step 2: Convert to fraction form
    143,827.11/198,482.33 = 80,168.94/x
  3. Step 3: Cross multiply
    143,827.11x = 198,482.33 × 80,168.94
  4. Step 4: Simplify right side
    143,827.11x = 15,912,118,205.25
  5. Step 5: Solve for x
    x = 15,912,118,205.25/143,827.11
  6. Step 6: Final answer
    x = 110,633.65

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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.