Home / 141,672.24-195,515.88-81,242.39

Finding the Fourth Proportional to 141,672.24, 195,515.88 and 81,242.39

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Solution

The fourth proportional to 141,672.24, 195,515.88 and 81,242.39 is: 112,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,672.24 : 195,515.88 = 81,242.39 : x
  2. Step 2: Convert to fraction form
    141,672.24/195,515.88 = 81,242.39/x
  3. Step 3: Cross multiply
    141,672.24x = 195,515.88 × 81,242.39
  4. Step 4: Simplify right side
    141,672.24x = 15,884,177,558.28
  5. Step 5: Solve for x
    x = 15,884,177,558.28/141,672.24
  6. Step 6: Final answer
    x = 112,119.20

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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.