Home / 174,764.68-261,583.15-90,408.69

Finding the Fourth Proportional to 174,764.68, 261,583.15 and 90,408.69

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Solution

The fourth proportional to 174,764.68, 261,583.15 and 90,408.69 is: 135,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,764.68 : 261,583.15 = 90,408.69 : x
  2. Step 2: Convert to fraction form
    174,764.68/261,583.15 = 90,408.69/x
  3. Step 3: Cross multiply
    174,764.68x = 261,583.15 × 90,408.69
  4. Step 4: Simplify right side
    174,764.68x = 23,649,389,917.57
  5. Step 5: Solve for x
    x = 23,649,389,917.57/174,764.68
  6. Step 6: Final answer
    x = 135,321.34

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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.