Home / 194,488.78-268,393.08-109,633.18

Finding the Fourth Proportional to 194,488.78, 268,393.08 and 109,633.18

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Solution

The fourth proportional to 194,488.78, 268,393.08 and 109,633.18 is: 151,292.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,488.78 : 268,393.08 = 109,633.18 : x
  2. Step 2: Convert to fraction form
    194,488.78/268,393.08 = 109,633.18/x
  3. Step 3: Cross multiply
    194,488.78x = 268,393.08 × 109,633.18
  4. Step 4: Simplify right side
    194,488.78x = 29,424,786,850.39
  5. Step 5: Solve for x
    x = 29,424,786,850.39/194,488.78
  6. Step 6: Final answer
    x = 151,292.98

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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.