Home / 134,670.30-185,843.97-74,243.49

Finding the Fourth Proportional to 134,670.30, 185,843.97 and 74,243.49

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Solution

The fourth proportional to 134,670.30, 185,843.97 and 74,243.49 is: 102,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,670.30 : 185,843.97 = 74,243.49 : x
  2. Step 2: Convert to fraction form
    134,670.30/185,843.97 = 74,243.49/x
  3. Step 3: Cross multiply
    134,670.30x = 185,843.97 × 74,243.49
  4. Step 4: Simplify right side
    134,670.30x = 13,797,704,231.34
  5. Step 5: Solve for x
    x = 13,797,704,231.34/134,670.30
  6. Step 6: Final answer
    x = 102,455.44

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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.