Home / 100,864.44-151,286.94-30,744.36

Finding the Fourth Proportional to 100,864.44, 151,286.94 and 30,744.36

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Solution

The fourth proportional to 100,864.44, 151,286.94 and 30,744.36 is: 46,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,864.44 : 151,286.94 = 30,744.36 : x
  2. Step 2: Convert to fraction form
    100,864.44/151,286.94 = 30,744.36/x
  3. Step 3: Cross multiply
    100,864.44x = 151,286.94 × 30,744.36
  4. Step 4: Simplify right side
    100,864.44x = 4,651,220,146.66
  5. Step 5: Solve for x
    x = 4,651,220,146.66/100,864.44
  6. Step 6: Final answer
    x = 46,113.58

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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.