Home / 168,828.88-233,029.92-105,129.04

Finding the Fourth Proportional to 168,828.88, 233,029.92 and 105,129.04

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Solution

The fourth proportional to 168,828.88, 233,029.92 and 105,129.04 is: 145,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,828.88 : 233,029.92 = 105,129.04 : x
  2. Step 2: Convert to fraction form
    168,828.88/233,029.92 = 105,129.04/x
  3. Step 3: Cross multiply
    168,828.88x = 233,029.92 × 105,129.04
  4. Step 4: Simplify right side
    168,828.88x = 24,498,211,780.88
  5. Step 5: Solve for x
    x = 24,498,211,780.88/168,828.88
  6. Step 6: Final answer
    x = 145,106.76

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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.