Home / 248,112.60-372,161.98-79,631.61

Finding the Fourth Proportional to 248,112.60, 372,161.98 and 79,631.61

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Solution

The fourth proportional to 248,112.60, 372,161.98 and 79,631.61 is: 119,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,112.60 : 372,161.98 = 79,631.61 : x
  2. Step 2: Convert to fraction form
    248,112.60/372,161.98 = 79,631.61/x
  3. Step 3: Cross multiply
    248,112.60x = 372,161.98 × 79,631.61
  4. Step 4: Simplify right side
    248,112.60x = 29,635,857,648.19
  5. Step 5: Solve for x
    x = 29,635,857,648.19/248,112.60
  6. Step 6: Final answer
    x = 119,445.19

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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.