Home / 172,623.36-258,960.54-88,431.14

Finding the Fourth Proportional to 172,623.36, 258,960.54 and 88,431.14

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Solution

The fourth proportional to 172,623.36, 258,960.54 and 88,431.14 is: 132,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,623.36 : 258,960.54 = 88,431.14 : x
  2. Step 2: Convert to fraction form
    172,623.36/258,960.54 = 88,431.14/x
  3. Step 3: Cross multiply
    172,623.36x = 258,960.54 × 88,431.14
  4. Step 4: Simplify right side
    172,623.36x = 22,900,175,767.22
  5. Step 5: Solve for x
    x = 22,900,175,767.22/172,623.36
  6. Step 6: Final answer
    x = 132,659.77

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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.