Home / 132,161.90-198,263.52-43,395.21

Finding the Fourth Proportional to 132,161.90, 198,263.52 and 43,395.21

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Solution

The fourth proportional to 132,161.90, 198,263.52 and 43,395.21 is: 65,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,161.90 : 198,263.52 = 43,395.21 : x
  2. Step 2: Convert to fraction form
    132,161.90/198,263.52 = 43,395.21/x
  3. Step 3: Cross multiply
    132,161.90x = 198,263.52 × 43,395.21
  4. Step 4: Simplify right side
    132,161.90x = 8,603,687,085.74
  5. Step 5: Solve for x
    x = 8,603,687,085.74/132,161.90
  6. Step 6: Final answer
    x = 65,099.60

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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.