Home / 141,854.22-195,776.55-81,443.79

Finding the Fourth Proportional to 141,854.22, 195,776.55 and 81,443.79

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Solution

The fourth proportional to 141,854.22, 195,776.55 and 81,443.79 is: 112,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,854.22 : 195,776.55 = 81,443.79 : x
  2. Step 2: Convert to fraction form
    141,854.22/195,776.55 = 81,443.79/x
  3. Step 3: Cross multiply
    141,854.22x = 195,776.55 × 81,443.79
  4. Step 4: Simplify right side
    141,854.22x = 15,944,784,225.12
  5. Step 5: Solve for x
    x = 15,944,784,225.12/141,854.22
  6. Step 6: Final answer
    x = 112,402.61

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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.