Home / 146,451.78-219,598.65-66,446.09

Finding the Fourth Proportional to 146,451.78, 219,598.65 and 66,446.09

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Solution

The fourth proportional to 146,451.78, 219,598.65 and 66,446.09 is: 99,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,451.78 : 219,598.65 = 66,446.09 : x
  2. Step 2: Convert to fraction form
    146,451.78/219,598.65 = 66,446.09/x
  3. Step 3: Cross multiply
    146,451.78x = 219,598.65 × 66,446.09
  4. Step 4: Simplify right side
    146,451.78x = 14,591,470,563.79
  5. Step 5: Solve for x
    x = 14,591,470,563.79/146,451.78
  6. Step 6: Final answer
    x = 99,633.27

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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.