Home / 141,432-195,175.94-81,022.20

Finding the Fourth Proportional to 141,432, 195,175.94 and 81,022.20

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Solution

The fourth proportional to 141,432, 195,175.94 and 81,022.20 is: 111,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,432 : 195,175.94 = 81,022.20 : x
  2. Step 2: Convert to fraction form
    141,432/195,175.94 = 81,022.20/x
  3. Step 3: Cross multiply
    141,432x = 195,175.94 × 81,022.20
  4. Step 4: Simplify right side
    141,432x = 15,813,584,045.87
  5. Step 5: Solve for x
    x = 15,813,584,045.87/141,432
  6. Step 6: Final answer
    x = 111,810.51

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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.