Home / 141,760.13-195,657.93-81,372.20

Finding the Fourth Proportional to 141,760.13, 195,657.93 and 81,372.20

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Solution

The fourth proportional to 141,760.13, 195,657.93 and 81,372.20 is: 112,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,760.13 : 195,657.93 = 81,372.20 : x
  2. Step 2: Convert to fraction form
    141,760.13/195,657.93 = 81,372.20/x
  3. Step 3: Cross multiply
    141,760.13x = 195,657.93 × 81,372.20
  4. Step 4: Simplify right side
    141,760.13x = 15,921,115,233.26
  5. Step 5: Solve for x
    x = 15,921,115,233.26/141,760.13
  6. Step 6: Final answer
    x = 112,310.25

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1.5x scale

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.