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Finding the Fourth Proportional to 117,713.80, 176,570.70 and 75,723.40

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Solution

The fourth proportional to 117,713.80, 176,570.70 and 75,723.40 is: 113,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,713.80 : 176,570.70 = 75,723.40 : x
  2. Step 2: Convert to fraction form
    117,713.80/176,570.70 = 75,723.40/x
  3. Step 3: Cross multiply
    117,713.80x = 176,570.70 × 75,723.40
  4. Step 4: Simplify right side
    117,713.80x = 13,370,533,744.38
  5. Step 5: Solve for x
    x = 13,370,533,744.38/117,713.80
  6. Step 6: Final answer
    x = 113,585.10

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