Home / 127,949.41-176,513.13-74,203.27

Finding the Fourth Proportional to 127,949.41, 176,513.13 and 74,203.27

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Solution

The fourth proportional to 127,949.41, 176,513.13 and 74,203.27 is: 102,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,949.41 : 176,513.13 = 74,203.27 : x
  2. Step 2: Convert to fraction form
    127,949.41/176,513.13 = 74,203.27/x
  3. Step 3: Cross multiply
    127,949.41x = 176,513.13 × 74,203.27
  4. Step 4: Simplify right side
    127,949.41x = 13,097,851,443.94
  5. Step 5: Solve for x
    x = 13,097,851,443.94/127,949.41
  6. Step 6: Final answer
    x = 102,367.42

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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.