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Finding the Fourth Proportional to 113,465.40, 171,047.73 and 105,853.56

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Solution

The fourth proportional to 113,465.40, 171,047.73 and 105,853.56 is: 159,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,465.40 : 171,047.73 = 105,853.56 : x
  2. Step 2: Convert to fraction form
    113,465.40/171,047.73 = 105,853.56/x
  3. Step 3: Cross multiply
    113,465.40x = 171,047.73 × 105,853.56
  4. Step 4: Simplify right side
    113,465.40x = 18,106,011,150.42
  5. Step 5: Solve for x
    x = 18,106,011,150.42/113,465.40
  6. Step 6: Final answer
    x = 159,572.97

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