Home / 120,378.96-180,578.52-41,461.20

Finding the Fourth Proportional to 120,378.96, 180,578.52 and 41,461.20

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Solution

The fourth proportional to 120,378.96, 180,578.52 and 41,461.20 is: 62,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,378.96 : 180,578.52 = 41,461.20 : x
  2. Step 2: Convert to fraction form
    120,378.96/180,578.52 = 41,461.20/x
  3. Step 3: Cross multiply
    120,378.96x = 180,578.52 × 41,461.20
  4. Step 4: Simplify right side
    120,378.96x = 7,487,002,133.42
  5. Step 5: Solve for x
    x = 7,487,002,133.42/120,378.96
  6. Step 6: Final answer
    x = 62,195.27

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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.