Home / 105,854.11-158,781.20-35,733.42

Finding the Fourth Proportional to 105,854.11, 158,781.20 and 35,733.42

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Solution

The fourth proportional to 105,854.11, 158,781.20 and 35,733.42 is: 53,600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,854.11 : 158,781.20 = 35,733.42 : x
  2. Step 2: Convert to fraction form
    105,854.11/158,781.20 = 35,733.42/x
  3. Step 3: Cross multiply
    105,854.11x = 158,781.20 × 35,733.42
  4. Step 4: Simplify right side
    105,854.11x = 5,673,795,129.04
  5. Step 5: Solve for x
    x = 5,673,795,129.04/105,854.11
  6. Step 6: Final answer
    x = 53,600.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.