Home / 141,898.44-195,828.12-81,469.20

Finding the Fourth Proportional to 141,898.44, 195,828.12 and 81,469.20

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Solution

The fourth proportional to 141,898.44, 195,828.12 and 81,469.20 is: 112,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,898.44 : 195,828.12 = 81,469.20 : x
  2. Step 2: Convert to fraction form
    141,898.44/195,828.12 = 81,469.20/x
  3. Step 3: Cross multiply
    141,898.44x = 195,828.12 × 81,469.20
  4. Step 4: Simplify right side
    141,898.44x = 15,953,960,273.90
  5. Step 5: Solve for x
    x = 15,953,960,273.90/141,898.44
  6. Step 6: Final answer
    x = 112,432.25

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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.