Home / 129,879.48-194,824.79-51,010.79

Finding the Fourth Proportional to 129,879.48, 194,824.79 and 51,010.79

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Solution

The fourth proportional to 129,879.48, 194,824.79 and 51,010.79 is: 76,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,879.48 : 194,824.79 = 51,010.79 : x
  2. Step 2: Convert to fraction form
    129,879.48/194,824.79 = 51,010.79/x
  3. Step 3: Cross multiply
    129,879.48x = 194,824.79 × 51,010.79
  4. Step 4: Simplify right side
    129,879.48x = 9,938,165,220.31
  5. Step 5: Solve for x
    x = 9,938,165,220.31/129,879.48
  6. Step 6: Final answer
    x = 76,518.36

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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.