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Finding the Fourth Proportional to 173,999.40, 261,023.40 and 74,158.80

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Solution

The fourth proportional to 173,999.40, 261,023.40 and 74,158.80 is: 111,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,999.40 : 261,023.40 = 74,158.80 : x
  2. Step 2: Convert to fraction form
    173,999.40/261,023.40 = 74,158.80/x
  3. Step 3: Cross multiply
    173,999.40x = 261,023.40 × 74,158.80
  4. Step 4: Simplify right side
    173,999.40x = 19,357,182,115.92
  5. Step 5: Solve for x
    x = 19,357,182,115.92/173,999.40
  6. Step 6: Final answer
    x = 111,248.56

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