Home / 151,699.20-209,349.92-82,792.42

Finding the Fourth Proportional to 151,699.20, 209,349.92 and 82,792.42

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Solution

The fourth proportional to 151,699.20, 209,349.92 and 82,792.42 is: 114,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,699.20 : 209,349.92 = 82,792.42 : x
  2. Step 2: Convert to fraction form
    151,699.20/209,349.92 = 82,792.42/x
  3. Step 3: Cross multiply
    151,699.20x = 209,349.92 × 82,792.42
  4. Step 4: Simplify right side
    151,699.20x = 17,332,587,026.98
  5. Step 5: Solve for x
    x = 17,332,587,026.98/151,699.20
  6. Step 6: Final answer
    x = 114,256.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.