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Finding the Fourth Proportional to 88,194.98, 121,710.30 and 47,909.46

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Solution

The fourth proportional to 88,194.98, 121,710.30 and 47,909.46 is: 66,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,194.98 : 121,710.30 = 47,909.46 : x
  2. Step 2: Convert to fraction form
    88,194.98/121,710.30 = 47,909.46/x
  3. Step 3: Cross multiply
    88,194.98x = 121,710.30 × 47,909.46
  4. Step 4: Simplify right side
    88,194.98x = 5,831,074,749.44
  5. Step 5: Solve for x
    x = 5,831,074,749.44/88,194.98
  6. Step 6: Final answer
    x = 66,115.72

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