Home / 222,439.30-306,988.23-126,960.37

Finding the Fourth Proportional to 222,439.30, 306,988.23 and 126,960.37

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Solution

The fourth proportional to 222,439.30, 306,988.23 and 126,960.37 is: 175,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,439.30 : 306,988.23 = 126,960.37 : x
  2. Step 2: Convert to fraction form
    222,439.30/306,988.23 = 126,960.37/x
  3. Step 3: Cross multiply
    222,439.30x = 306,988.23 × 126,960.37
  4. Step 4: Simplify right side
    222,439.30x = 38,975,339,266.45
  5. Step 5: Solve for x
    x = 38,975,339,266.45/222,439.30
  6. Step 6: Final answer
    x = 175,217.87

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1.5x scale

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.