Home / 222,447.06-306,960.03-126,940.77

Finding the Fourth Proportional to 222,447.06, 306,960.03 and 126,940.77

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Solution

The fourth proportional to 222,447.06, 306,960.03 and 126,940.77 is: 175,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,447.06 : 306,960.03 = 126,940.77 : x
  2. Step 2: Convert to fraction form
    222,447.06/306,960.03 = 126,940.77/x
  3. Step 3: Cross multiply
    222,447.06x = 306,960.03 × 126,940.77
  4. Step 4: Simplify right side
    222,447.06x = 38,965,742,567.42
  5. Step 5: Solve for x
    x = 38,965,742,567.42/222,447.06
  6. Step 6: Final answer
    x = 175,168.61

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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.