Home / 172,087.04-258,091.64-65,432.94

Finding the Fourth Proportional to 172,087.04, 258,091.64 and 65,432.94

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Solution

The fourth proportional to 172,087.04, 258,091.64 and 65,432.94 is: 98,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,087.04 : 258,091.64 = 65,432.94 : x
  2. Step 2: Convert to fraction form
    172,087.04/258,091.64 = 65,432.94/x
  3. Step 3: Cross multiply
    172,087.04x = 258,091.64 × 65,432.94
  4. Step 4: Simplify right side
    172,087.04x = 16,887,694,794.62
  5. Step 5: Solve for x
    x = 16,887,694,794.62/172,087.04
  6. Step 6: Final answer
    x = 98,134.61

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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.