Home / 72,211.20-108,273.60-37,219.20

Finding the Fourth Proportional to 72,211.20, 108,273.60 and 37,219.20

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Solution

The fourth proportional to 72,211.20, 108,273.60 and 37,219.20 is: 55,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,211.20 : 108,273.60 = 37,219.20 : x
  2. Step 2: Convert to fraction form
    72,211.20/108,273.60 = 37,219.20/x
  3. Step 3: Cross multiply
    72,211.20x = 108,273.60 × 37,219.20
  4. Step 4: Simplify right side
    72,211.20x = 4,029,856,773.12
  5. Step 5: Solve for x
    x = 4,029,856,773.12/72,211.20
  6. Step 6: Final answer
    x = 55,806.53

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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.