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Finding the Fourth Proportional to 141,385.70, 195,112.90 and 77,727.60

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Solution

The fourth proportional to 141,385.70, 195,112.90 and 77,727.60 is: 107,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,385.70 : 195,112.90 = 77,727.60 : x
  2. Step 2: Convert to fraction form
    141,385.70/195,112.90 = 77,727.60/x
  3. Step 3: Cross multiply
    141,385.70x = 195,112.90 × 77,727.60
  4. Step 4: Simplify right side
    141,385.70x = 15,165,657,543.20
  5. Step 5: Solve for x
    x = 15,165,657,543.20/141,385.70
  6. Step 6: Final answer
    x = 107,264.44

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