Home / 141,902.33-195,826.54-78,242.39

Finding the Fourth Proportional to 141,902.33, 195,826.54 and 78,242.39

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Solution

The fourth proportional to 141,902.33, 195,826.54 and 78,242.39 is: 107,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,902.33 : 195,826.54 = 78,242.39 : x
  2. Step 2: Convert to fraction form
    141,902.33/195,826.54 = 78,242.39/x
  3. Step 3: Cross multiply
    141,902.33x = 195,826.54 × 78,242.39
  4. Step 4: Simplify right side
    141,902.33x = 15,321,936,515.03
  5. Step 5: Solve for x
    x = 15,321,936,515.03/141,902.33
  6. Step 6: Final answer
    x = 107,975.23

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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.