Home / 95,874.60-143,811.90-81,112.35

Finding the Fourth Proportional to 95,874.60, 143,811.90 and 81,112.35

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Solution

The fourth proportional to 95,874.60, 143,811.90 and 81,112.35 is: 121,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,874.60 : 143,811.90 = 81,112.35 : x
  2. Step 2: Convert to fraction form
    95,874.60/143,811.90 = 81,112.35/x
  3. Step 3: Cross multiply
    95,874.60x = 143,811.90 × 81,112.35
  4. Step 4: Simplify right side
    95,874.60x = 11,664,921,166.97
  5. Step 5: Solve for x
    x = 11,664,921,166.97/95,874.60
  6. Step 6: Final answer
    x = 121,668.53

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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.