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Finding the Fourth Proportional to 98,874.31, 148,363.76 and 53,928.12

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Solution

The fourth proportional to 98,874.31, 148,363.76 and 53,928.12 is: 80,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,874.31 : 148,363.76 = 53,928.12 : x
  2. Step 2: Convert to fraction form
    98,874.31/148,363.76 = 53,928.12/x
  3. Step 3: Cross multiply
    98,874.31x = 148,363.76 × 53,928.12
  4. Step 4: Simplify right side
    98,874.31x = 8,000,978,652.93
  5. Step 5: Solve for x
    x = 8,000,978,652.93/98,874.31
  6. Step 6: Final answer
    x = 80,920.70

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