Home / 172,027.14-258,076.59-86,685.96

Finding the Fourth Proportional to 172,027.14, 258,076.59 and 86,685.96

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Solution

The fourth proportional to 172,027.14, 258,076.59 and 86,685.96 is: 130,047.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,027.14 : 258,076.59 = 86,685.96 : x
  2. Step 2: Convert to fraction form
    172,027.14/258,076.59 = 86,685.96/x
  3. Step 3: Cross multiply
    172,027.14x = 258,076.59 × 86,685.96
  4. Step 4: Simplify right side
    172,027.14x = 22,371,616,957.68
  5. Step 5: Solve for x
    x = 22,371,616,957.68/172,027.14
  6. Step 6: Final answer
    x = 130,047.02

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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.