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Finding the Fourth Proportional to 99,398.78, 148,989.72 and 48,832.61

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Solution

The fourth proportional to 99,398.78, 148,989.72 and 48,832.61 is: 73,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,398.78 : 148,989.72 = 48,832.61 : x
  2. Step 2: Convert to fraction form
    99,398.78/148,989.72 = 48,832.61/x
  3. Step 3: Cross multiply
    99,398.78x = 148,989.72 × 48,832.61
  4. Step 4: Simplify right side
    99,398.78x = 7,275,556,890.77
  5. Step 5: Solve for x
    x = 7,275,556,890.77/99,398.78
  6. Step 6: Final answer
    x = 73,195.64

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