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Finding the Fourth Proportional to 131,053.44, 196,333.44 and 77,587.20

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Solution

The fourth proportional to 131,053.44, 196,333.44 and 77,587.20 is: 116,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,053.44 : 196,333.44 = 77,587.20 : x
  2. Step 2: Convert to fraction form
    131,053.44/196,333.44 = 77,587.20/x
  3. Step 3: Cross multiply
    131,053.44x = 196,333.44 × 77,587.20
  4. Step 4: Simplify right side
    131,053.44x = 15,232,961,875.97
  5. Step 5: Solve for x
    x = 15,232,961,875.97/131,053.44
  6. Step 6: Final answer
    x = 116,234.74

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