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Finding the Fourth Proportional to 153,842.69, 212,230.13 and 100,108.10

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Solution

The fourth proportional to 153,842.69, 212,230.13 and 100,108.10 is: 138,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,842.69 : 212,230.13 = 100,108.10 : x
  2. Step 2: Convert to fraction form
    153,842.69/212,230.13 = 100,108.10/x
  3. Step 3: Cross multiply
    153,842.69x = 212,230.13 × 100,108.10
  4. Step 4: Simplify right side
    153,842.69x = 21,245,955,107.09
  5. Step 5: Solve for x
    x = 21,245,955,107.09/153,842.69
  6. Step 6: Final answer
    x = 138,101.82

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