Home / 109,011.16-163,286.94-49,896.52

Finding the Fourth Proportional to 109,011.16, 163,286.94 and 49,896.52

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Solution

The fourth proportional to 109,011.16, 163,286.94 and 49,896.52 is: 74,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,011.16 : 163,286.94 = 49,896.52 : x
  2. Step 2: Convert to fraction form
    109,011.16/163,286.94 = 49,896.52/x
  3. Step 3: Cross multiply
    109,011.16x = 163,286.94 × 49,896.52
  4. Step 4: Simplify right side
    109,011.16x = 8,147,450,067.45
  5. Step 5: Solve for x
    x = 8,147,450,067.45/109,011.16
  6. Step 6: Final answer
    x = 74,739.60

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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.