Home / 113,408.70-170,177.85-43,338.30

Finding the Fourth Proportional to 113,408.70, 170,177.85 and 43,338.30

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Solution

The fourth proportional to 113,408.70, 170,177.85 and 43,338.30 is: 65,032.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,408.70 : 170,177.85 = 43,338.30 : x
  2. Step 2: Convert to fraction form
    113,408.70/170,177.85 = 43,338.30/x
  3. Step 3: Cross multiply
    113,408.70x = 170,177.85 × 43,338.30
  4. Step 4: Simplify right side
    113,408.70x = 7,375,218,716.66
  5. Step 5: Solve for x
    x = 7,375,218,716.66/113,408.70
  6. Step 6: Final answer
    x = 65,032.21

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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.