Home / 172,288.26-258,276.69-61,454.34

Finding the Fourth Proportional to 172,288.26, 258,276.69 and 61,454.34

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Solution

The fourth proportional to 172,288.26, 258,276.69 and 61,454.34 is: 92,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,288.26 : 258,276.69 = 61,454.34 : x
  2. Step 2: Convert to fraction form
    172,288.26/258,276.69 = 61,454.34/x
  3. Step 3: Cross multiply
    172,288.26x = 258,276.69 × 61,454.34
  4. Step 4: Simplify right side
    172,288.26x = 15,872,223,521.33
  5. Step 5: Solve for x
    x = 15,872,223,521.33/172,288.26
  6. Step 6: Final answer
    x = 92,125.97

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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.