Home / 194,640.08-268,603.80-109,758.56

Finding the Fourth Proportional to 194,640.08, 268,603.80 and 109,758.56

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Solution

The fourth proportional to 194,640.08, 268,603.80 and 109,758.56 is: 151,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,640.08 : 268,603.80 = 109,758.56 : x
  2. Step 2: Convert to fraction form
    194,640.08/268,603.80 = 109,758.56/x
  3. Step 3: Cross multiply
    194,640.08x = 268,603.80 × 109,758.56
  4. Step 4: Simplify right side
    194,640.08x = 29,481,566,298.53
  5. Step 5: Solve for x
    x = 29,481,566,298.53/194,640.08
  6. Step 6: Final answer
    x = 151,467.09

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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.