Home / 143,868.12-198,692.91-109,510.08

Finding the Fourth Proportional to 143,868.12, 198,692.91 and 109,510.08

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Solution

The fourth proportional to 143,868.12, 198,692.91 and 109,510.08 is: 151,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,868.12 : 198,692.91 = 109,510.08 : x
  2. Step 2: Convert to fraction form
    143,868.12/198,692.91 = 109,510.08/x
  3. Step 3: Cross multiply
    143,868.12x = 198,692.91 × 109,510.08
  4. Step 4: Simplify right side
    143,868.12x = 21,758,876,469.53
  5. Step 5: Solve for x
    x = 21,758,876,469.53/143,868.12
  6. Step 6: Final answer
    x = 151,241.82

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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.