Home / 172,108.61-258,002.42-58,177.15

Finding the Fourth Proportional to 172,108.61, 258,002.42 and 58,177.15

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Solution

The fourth proportional to 172,108.61, 258,002.42 and 58,177.15 is: 87,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,108.61 : 258,002.42 = 58,177.15 : x
  2. Step 2: Convert to fraction form
    172,108.61/258,002.42 = 58,177.15/x
  3. Step 3: Cross multiply
    172,108.61x = 258,002.42 × 58,177.15
  4. Step 4: Simplify right side
    172,108.61x = 15,009,846,004.07
  5. Step 5: Solve for x
    x = 15,009,846,004.07/172,108.61
  6. Step 6: Final answer
    x = 87,211.47

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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.