Home / 120,350.43-180,518.36-31,601.97

Finding the Fourth Proportional to 120,350.43, 180,518.36 and 31,601.97

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Solution

The fourth proportional to 120,350.43, 180,518.36 and 31,601.97 is: 47,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,350.43 : 180,518.36 = 31,601.97 : x
  2. Step 2: Convert to fraction form
    120,350.43/180,518.36 = 31,601.97/x
  3. Step 3: Cross multiply
    120,350.43x = 180,518.36 × 31,601.97
  4. Step 4: Simplify right side
    120,350.43x = 5,704,735,639.16
  5. Step 5: Solve for x
    x = 5,704,735,639.16/120,350.43
  6. Step 6: Final answer
    x = 47,401.04

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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.