Home / 146,446.89-219,591.35-66,441.20

Finding the Fourth Proportional to 146,446.89, 219,591.35 and 66,441.20

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Solution

The fourth proportional to 146,446.89, 219,591.35 and 66,441.20 is: 99,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,446.89 : 219,591.35 = 66,441.20 : x
  2. Step 2: Convert to fraction form
    146,446.89/219,591.35 = 66,441.20/x
  3. Step 3: Cross multiply
    146,446.89x = 219,591.35 × 66,441.20
  4. Step 4: Simplify right side
    146,446.89x = 14,589,913,971.08
  5. Step 5: Solve for x
    x = 14,589,913,971.08/146,446.89
  6. Step 6: Final answer
    x = 99,625.97

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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.