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Finding the Fourth Proportional to 88,900.40, 133,350.60 and 74,903.60

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Solution

The fourth proportional to 88,900.40, 133,350.60 and 74,903.60 is: 112,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,900.40 : 133,350.60 = 74,903.60 : x
  2. Step 2: Convert to fraction form
    88,900.40/133,350.60 = 74,903.60/x
  3. Step 3: Cross multiply
    88,900.40x = 133,350.60 × 74,903.60
  4. Step 4: Simplify right side
    88,900.40x = 9,988,440,002.16
  5. Step 5: Solve for x
    x = 9,988,440,002.16/88,900.40
  6. Step 6: Final answer
    x = 112,355.40

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