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Finding the Fourth Proportional to 121,941.90, 182,913.12 and 65,808.39

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Solution

The fourth proportional to 121,941.90, 182,913.12 and 65,808.39 is: 98,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,941.90 : 182,913.12 = 65,808.39 : x
  2. Step 2: Convert to fraction form
    121,941.90/182,913.12 = 65,808.39/x
  3. Step 3: Cross multiply
    121,941.90x = 182,913.12 × 65,808.39
  4. Step 4: Simplify right side
    121,941.90x = 12,037,217,937.08
  5. Step 5: Solve for x
    x = 12,037,217,937.08/121,941.90
  6. Step 6: Final answer
    x = 98,712.73

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