Home / 141,376-195,099.29-80,947.57

Finding the Fourth Proportional to 141,376, 195,099.29 and 80,947.57

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Solution

The fourth proportional to 141,376, 195,099.29 and 80,947.57 is: 111,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,376 : 195,099.29 = 80,947.57 : x
  2. Step 2: Convert to fraction form
    141,376/195,099.29 = 80,947.57/x
  3. Step 3: Cross multiply
    141,376x = 195,099.29 × 80,947.57
  4. Step 4: Simplify right side
    141,376x = 15,792,813,434.23
  5. Step 5: Solve for x
    x = 15,792,813,434.23/141,376
  6. Step 6: Final answer
    x = 111,707.88

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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.