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Finding the Fourth Proportional to 100,945.70, 151,418.55 and 48,328.10

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Solution

The fourth proportional to 100,945.70, 151,418.55 and 48,328.10 is: 72,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,945.70 : 151,418.55 = 48,328.10 : x
  2. Step 2: Convert to fraction form
    100,945.70/151,418.55 = 48,328.10/x
  3. Step 3: Cross multiply
    100,945.70x = 151,418.55 × 48,328.10
  4. Step 4: Simplify right side
    100,945.70x = 7,317,770,826.26
  5. Step 5: Solve for x
    x = 7,317,770,826.26/100,945.70
  6. Step 6: Final answer
    x = 72,492.15

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