Home / 169,712.49-234,177.23-98,078.69

Finding the Fourth Proportional to 169,712.49, 234,177.23 and 98,078.69

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Solution

The fourth proportional to 169,712.49, 234,177.23 and 98,078.69 is: 135,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,712.49 : 234,177.23 = 98,078.69 : x
  2. Step 2: Convert to fraction form
    169,712.49/234,177.23 = 98,078.69/x
  3. Step 3: Cross multiply
    169,712.49x = 234,177.23 × 98,078.69
  4. Step 4: Simplify right side
    169,712.49x = 22,967,795,946.23
  5. Step 5: Solve for x
    x = 22,967,795,946.23/169,712.49
  6. Step 6: Final answer
    x = 135,333.56

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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.