Home / 105,631.28-158,364.65-52,286.43

Finding the Fourth Proportional to 105,631.28, 158,364.65 and 52,286.43

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Solution

The fourth proportional to 105,631.28, 158,364.65 and 52,286.43 is: 78,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,631.28 : 158,364.65 = 52,286.43 : x
  2. Step 2: Convert to fraction form
    105,631.28/158,364.65 = 52,286.43/x
  3. Step 3: Cross multiply
    105,631.28x = 158,364.65 × 52,286.43
  4. Step 4: Simplify right side
    105,631.28x = 8,280,321,925.27
  5. Step 5: Solve for x
    x = 8,280,321,925.27/105,631.28
  6. Step 6: Final answer
    x = 78,388.92

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