Home / 141,519.29-195,295.86-81,090.86

Finding the Fourth Proportional to 141,519.29, 195,295.86 and 81,090.86

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Solution

The fourth proportional to 141,519.29, 195,295.86 and 81,090.86 is: 111,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,519.29 : 195,295.86 = 81,090.86 : x
  2. Step 2: Convert to fraction form
    141,519.29/195,295.86 = 81,090.86/x
  3. Step 3: Cross multiply
    141,519.29x = 195,295.86 × 81,090.86
  4. Step 4: Simplify right side
    141,519.29x = 15,836,708,265.36
  5. Step 5: Solve for x
    x = 15,836,708,265.36/141,519.29
  6. Step 6: Final answer
    x = 111,904.95

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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.