Home / 146,857.10-219,809.05-79,295.20

Finding the Fourth Proportional to 146,857.10, 219,809.05 and 79,295.20

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Solution

The fourth proportional to 146,857.10, 219,809.05 and 79,295.20 is: 118,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,857.10 : 219,809.05 = 79,295.20 : x
  2. Step 2: Convert to fraction form
    146,857.10/219,809.05 = 79,295.20/x
  3. Step 3: Cross multiply
    146,857.10x = 219,809.05 × 79,295.20
  4. Step 4: Simplify right side
    146,857.10x = 17,429,801,833.80
  5. Step 5: Solve for x
    x = 17,429,801,833.80/146,857.10
  6. Step 6: Final answer
    x = 118,685.46

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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.