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Finding the Fourth Proportional to 98,729.80, 148,191.90 and 48,866.20

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Solution

The fourth proportional to 98,729.80, 148,191.90 and 48,866.20 is: 73,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,729.80 : 148,191.90 = 48,866.20 : x
  2. Step 2: Convert to fraction form
    98,729.80/148,191.90 = 48,866.20/x
  3. Step 3: Cross multiply
    98,729.80x = 148,191.90 × 48,866.20
  4. Step 4: Simplify right side
    98,729.80x = 7,241,575,023.78
  5. Step 5: Solve for x
    x = 7,241,575,023.78/98,729.80
  6. Step 6: Final answer
    x = 73,347.41

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