Home / 169,721.62-234,189.78-98,087.80

Finding the Fourth Proportional to 169,721.62, 234,189.78 and 98,087.80

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Solution

The fourth proportional to 169,721.62, 234,189.78 and 98,087.80 is: 135,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,721.62 : 234,189.78 = 98,087.80 : x
  2. Step 2: Convert to fraction form
    169,721.62/234,189.78 = 98,087.80/x
  3. Step 3: Cross multiply
    169,721.62x = 234,189.78 × 98,087.80
  4. Step 4: Simplify right side
    169,721.62x = 22,971,160,302.68
  5. Step 5: Solve for x
    x = 22,971,160,302.68/169,721.62
  6. Step 6: Final answer
    x = 135,346.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.