Home / 194,906.28-268,889.22-131,133.36

Finding the Fourth Proportional to 194,906.28, 268,889.22 and 131,133.36

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Solution

The fourth proportional to 194,906.28, 268,889.22 and 131,133.36 is: 180,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,906.28 : 268,889.22 = 131,133.36 : x
  2. Step 2: Convert to fraction form
    194,906.28/268,889.22 = 131,133.36/x
  3. Step 3: Cross multiply
    194,906.28x = 268,889.22 × 131,133.36
  4. Step 4: Simplify right side
    194,906.28x = 35,260,346,886.38
  5. Step 5: Solve for x
    x = 35,260,346,886.38/194,906.28
  6. Step 6: Final answer
    x = 180,909.24

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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.