Home / 132,238.70-198,552.45-92,969.90

Finding the Fourth Proportional to 132,238.70, 198,552.45 and 92,969.90

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Solution

The fourth proportional to 132,238.70, 198,552.45 and 92,969.90 is: 139,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,238.70 : 198,552.45 = 92,969.90 : x
  2. Step 2: Convert to fraction form
    132,238.70/198,552.45 = 92,969.90/x
  3. Step 3: Cross multiply
    132,238.70x = 198,552.45 × 92,969.90
  4. Step 4: Simplify right side
    132,238.70x = 18,459,401,421.26
  5. Step 5: Solve for x
    x = 18,459,401,421.26/132,238.70
  6. Step 6: Final answer
    x = 139,591.52

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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.