Home / 140,631.45-194,032.95-80,180.04

Finding the Fourth Proportional to 140,631.45, 194,032.95 and 80,180.04

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Solution

The fourth proportional to 140,631.45, 194,032.95 and 80,180.04 is: 110,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,631.45 : 194,032.95 = 80,180.04 : x
  2. Step 2: Convert to fraction form
    140,631.45/194,032.95 = 80,180.04/x
  3. Step 3: Cross multiply
    140,631.45x = 194,032.95 × 80,180.04
  4. Step 4: Simplify right side
    140,631.45x = 15,557,569,692.32
  5. Step 5: Solve for x
    x = 15,557,569,692.32/140,631.45
  6. Step 6: Final answer
    x = 110,626.53

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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.