Home / 222,308.88-306,815.22-126,834.18

Finding the Fourth Proportional to 222,308.88, 306,815.22 and 126,834.18

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Solution

The fourth proportional to 222,308.88, 306,815.22 and 126,834.18 is: 175,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,308.88 : 306,815.22 = 126,834.18 : x
  2. Step 2: Convert to fraction form
    222,308.88/306,815.22 = 126,834.18/x
  3. Step 3: Cross multiply
    222,308.88x = 306,815.22 × 126,834.18
  4. Step 4: Simplify right side
    222,308.88x = 38,914,656,840.22
  5. Step 5: Solve for x
    x = 38,914,656,840.22/222,308.88
  6. Step 6: Final answer
    x = 175,047.69

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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.