Home / 144,170.39-198,971.92-119,928.48

Finding the Fourth Proportional to 144,170.39, 198,971.92 and 119,928.48

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Solution

The fourth proportional to 144,170.39, 198,971.92 and 119,928.48 is: 165,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,170.39 : 198,971.92 = 119,928.48 : x
  2. Step 2: Convert to fraction form
    144,170.39/198,971.92 = 119,928.48/x
  3. Step 3: Cross multiply
    144,170.39x = 198,971.92 × 119,928.48
  4. Step 4: Simplify right side
    144,170.39x = 23,862,400,113.97
  5. Step 5: Solve for x
    x = 23,862,400,113.97/144,170.39
  6. Step 6: Final answer
    x = 165,515.26

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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.