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Finding the Fourth Proportional to 102,480.48, 153,789.12 and 35,920.56

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Solution

The fourth proportional to 102,480.48, 153,789.12 and 35,920.56 is: 53,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,480.48 : 153,789.12 = 35,920.56 : x
  2. Step 2: Convert to fraction form
    102,480.48/153,789.12 = 35,920.56/x
  3. Step 3: Cross multiply
    102,480.48x = 153,789.12 × 35,920.56
  4. Step 4: Simplify right side
    102,480.48x = 5,524,191,312.31
  5. Step 5: Solve for x
    x = 5,524,191,312.31/102,480.48
  6. Step 6: Final answer
    x = 53,904.81

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