Home / 194,253.48-268,078.07-108,212.36

Finding the Fourth Proportional to 194,253.48, 268,078.07 and 108,212.36

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Solution

The fourth proportional to 194,253.48, 268,078.07 and 108,212.36 is: 149,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,253.48 : 268,078.07 = 108,212.36 : x
  2. Step 2: Convert to fraction form
    194,253.48/268,078.07 = 108,212.36/x
  3. Step 3: Cross multiply
    194,253.48x = 268,078.07 × 108,212.36
  4. Step 4: Simplify right side
    194,253.48x = 29,009,360,618.95
  5. Step 5: Solve for x
    x = 29,009,360,618.95/194,253.48
  6. Step 6: Final answer
    x = 149,337.66

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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.