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Finding the Fourth Proportional to 117,902.80, 176,854.20 and 99,240.40

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Solution

The fourth proportional to 117,902.80, 176,854.20 and 99,240.40 is: 148,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,902.80 : 176,854.20 = 99,240.40 : x
  2. Step 2: Convert to fraction form
    117,902.80/176,854.20 = 99,240.40/x
  3. Step 3: Cross multiply
    117,902.80x = 176,854.20 × 99,240.40
  4. Step 4: Simplify right side
    117,902.80x = 17,551,081,549.68
  5. Step 5: Solve for x
    x = 17,551,081,549.68/117,902.80
  6. Step 6: Final answer
    x = 148,860.60

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