Home / 138,296.54-207,067.08-104,463.38

Finding the Fourth Proportional to 138,296.54, 207,067.08 and 104,463.38

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Solution

The fourth proportional to 138,296.54, 207,067.08 and 104,463.38 is: 156,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,296.54 : 207,067.08 = 104,463.38 : x
  2. Step 2: Convert to fraction form
    138,296.54/207,067.08 = 104,463.38/x
  3. Step 3: Cross multiply
    138,296.54x = 207,067.08 × 104,463.38
  4. Step 4: Simplify right side
    138,296.54x = 21,630,927,063.53
  5. Step 5: Solve for x
    x = 21,630,927,063.53/138,296.54
  6. Step 6: Final answer
    x = 156,409.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.