Home / 113,731.67-170,745.33-87,454.86

Finding the Fourth Proportional to 113,731.67, 170,745.33 and 87,454.86

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Solution

The fourth proportional to 113,731.67, 170,745.33 and 87,454.86 is: 131,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,731.67 : 170,745.33 = 87,454.86 : x
  2. Step 2: Convert to fraction form
    113,731.67/170,745.33 = 87,454.86/x
  3. Step 3: Cross multiply
    113,731.67x = 170,745.33 × 87,454.86
  4. Step 4: Simplify right side
    113,731.67x = 14,932,508,930.80
  5. Step 5: Solve for x
    x = 14,932,508,930.80/113,731.67
  6. Step 6: Final answer
    x = 131,295.96

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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.