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Finding the Fourth Proportional to 109,965.30, 165,045.15 and 94,218.90

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Solution

The fourth proportional to 109,965.30, 165,045.15 and 94,218.90 is: 141,411.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,965.30 : 165,045.15 = 94,218.90 : x
  2. Step 2: Convert to fraction form
    109,965.30/165,045.15 = 94,218.90/x
  3. Step 3: Cross multiply
    109,965.30x = 165,045.15 × 94,218.90
  4. Step 4: Simplify right side
    109,965.30x = 15,550,372,483.34
  5. Step 5: Solve for x
    x = 15,550,372,483.34/109,965.30
  6. Step 6: Final answer
    x = 141,411.63

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