Home / 223,213.73-334,818.78-90,091.95

Finding the Fourth Proportional to 223,213.73, 334,818.78 and 90,091.95

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Solution

The fourth proportional to 223,213.73, 334,818.78 and 90,091.95 is: 135,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,213.73 : 334,818.78 = 90,091.95 : x
  2. Step 2: Convert to fraction form
    223,213.73/334,818.78 = 90,091.95/x
  3. Step 3: Cross multiply
    223,213.73x = 334,818.78 × 90,091.95
  4. Step 4: Simplify right side
    223,213.73x = 30,164,476,786.82
  5. Step 5: Solve for x
    x = 30,164,476,786.82/223,213.73
  6. Step 6: Final answer
    x = 135,137.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.