Home / 172,272.93-258,388.89-45,922.65

Finding the Fourth Proportional to 172,272.93, 258,388.89 and 45,922.65

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Solution

The fourth proportional to 172,272.93, 258,388.89 and 45,922.65 is: 68,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,272.93 : 258,388.89 = 45,922.65 : x
  2. Step 2: Convert to fraction form
    172,272.93/258,388.89 = 45,922.65/x
  3. Step 3: Cross multiply
    172,272.93x = 258,388.89 × 45,922.65
  4. Step 4: Simplify right side
    172,272.93x = 11,865,901,418.19
  5. Step 5: Solve for x
    x = 11,865,901,418.19/172,272.93
  6. Step 6: Final answer
    x = 68,878.50

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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.