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Finding the Fourth Proportional to 114,574.80, 171,862.20 and 74,717.40

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Solution

The fourth proportional to 114,574.80, 171,862.20 and 74,717.40 is: 112,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,574.80 : 171,862.20 = 74,717.40 : x
  2. Step 2: Convert to fraction form
    114,574.80/171,862.20 = 74,717.40/x
  3. Step 3: Cross multiply
    114,574.80x = 171,862.20 × 74,717.40
  4. Step 4: Simplify right side
    114,574.80x = 12,841,096,742.28
  5. Step 5: Solve for x
    x = 12,841,096,742.28/114,574.80
  6. Step 6: Final answer
    x = 112,076.10

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