Home / 141,309.70-195,018.23-80,899.29

Finding the Fourth Proportional to 141,309.70, 195,018.23 and 80,899.29

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Solution

The fourth proportional to 141,309.70, 195,018.23 and 80,899.29 is: 111,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,309.70 : 195,018.23 = 80,899.29 : x
  2. Step 2: Convert to fraction form
    141,309.70/195,018.23 = 80,899.29/x
  3. Step 3: Cross multiply
    141,309.70x = 195,018.23 × 80,899.29
  4. Step 4: Simplify right side
    141,309.70x = 15,776,836,546.30
  5. Step 5: Solve for x
    x = 15,776,836,546.30/141,309.70
  6. Step 6: Final answer
    x = 111,647.23

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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.