Home / 172,575.96-258,925.86-67,470.36

Finding the Fourth Proportional to 172,575.96, 258,925.86 and 67,470.36

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Solution

The fourth proportional to 172,575.96, 258,925.86 and 67,470.36 is: 101,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,575.96 : 258,925.86 = 67,470.36 : x
  2. Step 2: Convert to fraction form
    172,575.96/258,925.86 = 67,470.36/x
  3. Step 3: Cross multiply
    172,575.96x = 258,925.86 × 67,470.36
  4. Step 4: Simplify right side
    172,575.96x = 17,469,820,987.51
  5. Step 5: Solve for x
    x = 17,469,820,987.51/172,575.96
  6. Step 6: Final answer
    x = 101,229.75

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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.