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Finding the Fourth Proportional to 88,364.70, 121,934.16 and 50,116.50

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Solution

The fourth proportional to 88,364.70, 121,934.16 and 50,116.50 is: 69,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.70 : 121,934.16 = 50,116.50 : x
  2. Step 2: Convert to fraction form
    88,364.70/121,934.16 = 50,116.50/x
  3. Step 3: Cross multiply
    88,364.70x = 121,934.16 × 50,116.50
  4. Step 4: Simplify right side
    88,364.70x = 6,110,913,329.64
  5. Step 5: Solve for x
    x = 6,110,913,329.64/88,364.70
  6. Step 6: Final answer
    x = 69,155.59

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