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Finding the Fourth Proportional to 100,577.40, 150,963.30 and 61,211.40

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Solution

The fourth proportional to 100,577.40, 150,963.30 and 61,211.40 is: 91,876.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,577.40 : 150,963.30 = 61,211.40 : x
  2. Step 2: Convert to fraction form
    100,577.40/150,963.30 = 61,211.40/x
  3. Step 3: Cross multiply
    100,577.40x = 150,963.30 × 61,211.40
  4. Step 4: Simplify right side
    100,577.40x = 9,240,674,941.62
  5. Step 5: Solve for x
    x = 9,240,674,941.62/100,577.40
  6. Step 6: Final answer
    x = 91,876.26

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