Home / 222,995.28-307,729.10-126,197.34

Finding the Fourth Proportional to 222,995.28, 307,729.10 and 126,197.34

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Solution

The fourth proportional to 222,995.28, 307,729.10 and 126,197.34 is: 174,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,995.28 : 307,729.10 = 126,197.34 : x
  2. Step 2: Convert to fraction form
    222,995.28/307,729.10 = 126,197.34/x
  3. Step 3: Cross multiply
    222,995.28x = 307,729.10 × 126,197.34
  4. Step 4: Simplify right side
    222,995.28x = 38,834,593,860.59
  5. Step 5: Solve for x
    x = 38,834,593,860.59/222,995.28
  6. Step 6: Final answer
    x = 174,149.85

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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.