Home / 222,066.34-306,443.91-126,603.78

Finding the Fourth Proportional to 222,066.34, 306,443.91 and 126,603.78

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Solution

The fourth proportional to 222,066.34, 306,443.91 and 126,603.78 is: 174,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,066.34 : 306,443.91 = 126,603.78 : x
  2. Step 2: Convert to fraction form
    222,066.34/306,443.91 = 126,603.78/x
  3. Step 3: Cross multiply
    222,066.34x = 306,443.91 × 126,603.78
  4. Step 4: Simplify right side
    222,066.34x = 38,796,957,363.98
  5. Step 5: Solve for x
    x = 38,796,957,363.98/222,066.34
  6. Step 6: Final answer
    x = 174,708.86

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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.