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Finding the Fourth Proportional to 99,652.80, 149,479.20 and 93,043.20

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Solution

The fourth proportional to 99,652.80, 149,479.20 and 93,043.20 is: 139,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,652.80 : 149,479.20 = 93,043.20 : x
  2. Step 2: Convert to fraction form
    99,652.80/149,479.20 = 93,043.20/x
  3. Step 3: Cross multiply
    99,652.80x = 149,479.20 × 93,043.20
  4. Step 4: Simplify right side
    99,652.80x = 13,908,023,101.44
  5. Step 5: Solve for x
    x = 13,908,023,101.44/99,652.80
  6. Step 6: Final answer
    x = 139,564.80

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