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Finding the Fourth Proportional to 103,442.91, 155,160.15 and 35,990.39

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Solution

The fourth proportional to 103,442.91, 155,160.15 and 35,990.39 is: 53,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,442.91 : 155,160.15 = 35,990.39 : x
  2. Step 2: Convert to fraction form
    103,442.91/155,160.15 = 35,990.39/x
  3. Step 3: Cross multiply
    103,442.91x = 155,160.15 × 35,990.39
  4. Step 4: Simplify right side
    103,442.91x = 5,584,273,535.16
  5. Step 5: Solve for x
    x = 5,584,273,535.16/103,442.91
  6. Step 6: Final answer
    x = 53,984.11

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