Home / 172,489.42-258,447.06-60,107.70

Finding the Fourth Proportional to 172,489.42, 258,447.06 and 60,107.70

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Solution

The fourth proportional to 172,489.42, 258,447.06 and 60,107.70 is: 90,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,489.42 : 258,447.06 = 60,107.70 : x
  2. Step 2: Convert to fraction form
    172,489.42/258,447.06 = 60,107.70/x
  3. Step 3: Cross multiply
    172,489.42x = 258,447.06 × 60,107.70
  4. Step 4: Simplify right side
    172,489.42x = 15,534,658,348.36
  5. Step 5: Solve for x
    x = 15,534,658,348.36/172,489.42
  6. Step 6: Final answer
    x = 90,061.51

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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.