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Finding the Fourth Proportional to 98,404.80, 147,607.20 and 91,795.20

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Solution

The fourth proportional to 98,404.80, 147,607.20 and 91,795.20 is: 137,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,404.80 : 147,607.20 = 91,795.20 : x
  2. Step 2: Convert to fraction form
    98,404.80/147,607.20 = 91,795.20/x
  3. Step 3: Cross multiply
    98,404.80x = 147,607.20 × 91,795.20
  4. Step 4: Simplify right side
    98,404.80x = 13,549,632,445.44
  5. Step 5: Solve for x
    x = 13,549,632,445.44/98,404.80
  6. Step 6: Final answer
    x = 137,692.80

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