Home / 132,012.96-198,019.75-92,745.38

Finding the Fourth Proportional to 132,012.96, 198,019.75 and 92,745.38

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Solution

The fourth proportional to 132,012.96, 198,019.75 and 92,745.38 is: 139,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,012.96 : 198,019.75 = 92,745.38 : x
  2. Step 2: Convert to fraction form
    132,012.96/198,019.75 = 92,745.38/x
  3. Step 3: Cross multiply
    132,012.96x = 198,019.75 × 92,745.38
  4. Step 4: Simplify right side
    132,012.96x = 18,365,416,234.34
  5. Step 5: Solve for x
    x = 18,365,416,234.34/132,012.96
  6. Step 6: Final answer
    x = 139,118.28

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1.5x scale

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.