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Finding the Fourth Proportional to 130,404.32, 179,945.52 and 103,611.68

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Solution

The fourth proportional to 130,404.32, 179,945.52 and 103,611.68 is: 142,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,404.32 : 179,945.52 = 103,611.68 : x
  2. Step 2: Convert to fraction form
    130,404.32/179,945.52 = 103,611.68/x
  3. Step 3: Cross multiply
    130,404.32x = 179,945.52 × 103,611.68
  4. Step 4: Simplify right side
    130,404.32x = 18,644,457,635.67
  5. Step 5: Solve for x
    x = 18,644,457,635.67/130,404.32
  6. Step 6: Final answer
    x = 142,974.23

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