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Finding the Fourth Proportional to 99,079.20, 148,531.32 and 75,809.52

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Solution

The fourth proportional to 99,079.20, 148,531.32 and 75,809.52 is: 113,647.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,079.20 : 148,531.32 = 75,809.52 : x
  2. Step 2: Convert to fraction form
    99,079.20/148,531.32 = 75,809.52/x
  3. Step 3: Cross multiply
    99,079.20x = 148,531.32 × 75,809.52
  4. Step 4: Simplify right side
    99,079.20x = 11,260,088,074.17
  5. Step 5: Solve for x
    x = 11,260,088,074.17/99,079.20
  6. Step 6: Final answer
    x = 113,647.35

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