Home / 127,738.35-176,278.97-74,054.49

Finding the Fourth Proportional to 127,738.35, 176,278.97 and 74,054.49

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Solution

The fourth proportional to 127,738.35, 176,278.97 and 74,054.49 is: 102,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,738.35 : 176,278.97 = 74,054.49 : x
  2. Step 2: Convert to fraction form
    127,738.35/176,278.97 = 74,054.49/x
  3. Step 3: Cross multiply
    127,738.35x = 176,278.97 × 74,054.49
  4. Step 4: Simplify right side
    127,738.35x = 13,054,248,850.80
  5. Step 5: Solve for x
    x = 13,054,248,850.80/127,738.35
  6. Step 6: Final answer
    x = 102,195.22

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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.