Home / 222,402.06-306,936.81-126,923.11

Finding the Fourth Proportional to 222,402.06, 306,936.81 and 126,923.11

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Solution

The fourth proportional to 222,402.06, 306,936.81 and 126,923.11 is: 175,166.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,402.06 : 306,936.81 = 126,923.11 : x
  2. Step 2: Convert to fraction form
    222,402.06/306,936.81 = 126,923.11/x
  3. Step 3: Cross multiply
    222,402.06x = 306,936.81 × 126,923.11
  4. Step 4: Simplify right side
    222,402.06x = 38,957,374,498.68
  5. Step 5: Solve for x
    x = 38,957,374,498.68/222,402.06
  6. Step 6: Final answer
    x = 175,166.43

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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.