Home / 177,721.12-245,276.76-102,268

Finding the Fourth Proportional to 177,721.12, 245,276.76 and 102,268

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Solution

The fourth proportional to 177,721.12, 245,276.76 and 102,268 is: 141,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,721.12 : 245,276.76 = 102,268 : x
  2. Step 2: Convert to fraction form
    177,721.12/245,276.76 = 102,268/x
  3. Step 3: Cross multiply
    177,721.12x = 245,276.76 × 102,268
  4. Step 4: Simplify right side
    177,721.12x = 25,083,963,691.68
  5. Step 5: Solve for x
    x = 25,083,963,691.68/177,721.12
  6. Step 6: Final answer
    x = 141,142.28

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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.