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Finding the Fourth Proportional to 99,265.40, 148,898.10 and 69,716.60

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Solution

The fourth proportional to 99,265.40, 148,898.10 and 69,716.60 is: 104,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,265.40 : 148,898.10 = 69,716.60 : x
  2. Step 2: Convert to fraction form
    99,265.40/148,898.10 = 69,716.60/x
  3. Step 3: Cross multiply
    99,265.40x = 148,898.10 × 69,716.60
  4. Step 4: Simplify right side
    99,265.40x = 10,380,669,278.46
  5. Step 5: Solve for x
    x = 10,380,669,278.46/99,265.40
  6. Step 6: Final answer
    x = 104,574.90

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