Home / 141,926.12-195,849.12-81,454.21

Finding the Fourth Proportional to 141,926.12, 195,849.12 and 81,454.21

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Solution

The fourth proportional to 141,926.12, 195,849.12 and 81,454.21 is: 112,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,926.12 : 195,849.12 = 81,454.21 : x
  2. Step 2: Convert to fraction form
    141,926.12/195,849.12 = 81,454.21/x
  3. Step 3: Cross multiply
    141,926.12x = 195,849.12 × 81,454.21
  4. Step 4: Simplify right side
    141,926.12x = 15,952,734,477.36
  5. Step 5: Solve for x
    x = 15,952,734,477.36/141,926.12
  6. Step 6: Final answer
    x = 112,401.68

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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.