Home / 146,947.20-220,593.60-145,910.40

Finding the Fourth Proportional to 146,947.20, 220,593.60 and 145,910.40

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Solution

The fourth proportional to 146,947.20, 220,593.60 and 145,910.40 is: 219,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,947.20 : 220,593.60 = 145,910.40 : x
  2. Step 2: Convert to fraction form
    146,947.20/220,593.60 = 145,910.40/x
  3. Step 3: Cross multiply
    146,947.20x = 220,593.60 × 145,910.40
  4. Step 4: Simplify right side
    146,947.20x = 32,186,900,413.44
  5. Step 5: Solve for x
    x = 32,186,900,413.44/146,947.20
  6. Step 6: Final answer
    x = 219,037.18

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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.