Home / 123,336.62-170,204.54-66,748

Finding the Fourth Proportional to 123,336.62, 170,204.54 and 66,748

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Solution

The fourth proportional to 123,336.62, 170,204.54 and 66,748 is: 92,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,336.62 : 170,204.54 = 66,748 : x
  2. Step 2: Convert to fraction form
    123,336.62/170,204.54 = 66,748/x
  3. Step 3: Cross multiply
    123,336.62x = 170,204.54 × 66,748
  4. Step 4: Simplify right side
    123,336.62x = 11,360,812,635.92
  5. Step 5: Solve for x
    x = 11,360,812,635.92/123,336.62
  6. Step 6: Final answer
    x = 92,112.24

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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.