Home / 100,747.59-151,115.91-30,621.43

Finding the Fourth Proportional to 100,747.59, 151,115.91 and 30,621.43

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Solution

The fourth proportional to 100,747.59, 151,115.91 and 30,621.43 is: 45,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,747.59 : 151,115.91 = 30,621.43 : x
  2. Step 2: Convert to fraction form
    100,747.59/151,115.91 = 30,621.43/x
  3. Step 3: Cross multiply
    100,747.59x = 151,115.91 × 30,621.43
  4. Step 4: Simplify right side
    100,747.59x = 4,627,385,259.95
  5. Step 5: Solve for x
    x = 4,627,385,259.95/100,747.59
  6. Step 6: Final answer
    x = 45,930.48

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