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Finding the Fourth Proportional to 98,741.70, 148,076.10 and 48,805.20

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Solution

The fourth proportional to 98,741.70, 148,076.10 and 48,805.20 is: 73,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,741.70 : 148,076.10 = 48,805.20 : x
  2. Step 2: Convert to fraction form
    98,741.70/148,076.10 = 48,805.20/x
  3. Step 3: Cross multiply
    98,741.70x = 148,076.10 × 48,805.20
  4. Step 4: Simplify right side
    98,741.70x = 7,226,883,675.72
  5. Step 5: Solve for x
    x = 7,226,883,675.72/98,741.70
  6. Step 6: Final answer
    x = 73,189.78

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