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Finding the Fourth Proportional to 116,442.90, 174,405.15 and 100,890.90

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Solution

The fourth proportional to 116,442.90, 174,405.15 and 100,890.90 is: 151,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,442.90 : 174,405.15 = 100,890.90 : x
  2. Step 2: Convert to fraction form
    116,442.90/174,405.15 = 100,890.90/x
  3. Step 3: Cross multiply
    116,442.90x = 174,405.15 × 100,890.90
  4. Step 4: Simplify right side
    116,442.90x = 17,595,892,548.14
  5. Step 5: Solve for x
    x = 17,595,892,548.14/116,442.90
  6. Step 6: Final answer
    x = 151,111.77

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