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Finding the Fourth Proportional to 106,818.99, 160,088.28 and 78,606.96

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Solution

The fourth proportional to 106,818.99, 160,088.28 and 78,606.96 is: 117,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,818.99 : 160,088.28 = 78,606.96 : x
  2. Step 2: Convert to fraction form
    106,818.99/160,088.28 = 78,606.96/x
  3. Step 3: Cross multiply
    106,818.99x = 160,088.28 × 78,606.96
  4. Step 4: Simplify right side
    106,818.99x = 12,584,053,022.43
  5. Step 5: Solve for x
    x = 12,584,053,022.43/106,818.99
  6. Step 6: Final answer
    x = 117,807.26

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