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Finding the Fourth Proportional to 100,545.15, 150,872.40 and 41,386.80

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Solution

The fourth proportional to 100,545.15, 150,872.40 and 41,386.80 is: 62,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,545.15 : 150,872.40 = 41,386.80 : x
  2. Step 2: Convert to fraction form
    100,545.15/150,872.40 = 41,386.80/x
  3. Step 3: Cross multiply
    100,545.15x = 150,872.40 × 41,386.80
  4. Step 4: Simplify right side
    100,545.15x = 6,244,125,844.32
  5. Step 5: Solve for x
    x = 6,244,125,844.32/100,545.15
  6. Step 6: Final answer
    x = 62,102.71

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