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Finding the Fourth Proportional to 130,671.20, 195,715.20 and 107,343.20

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Solution

The fourth proportional to 130,671.20, 195,715.20 and 107,343.20 is: 160,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,671.20 : 195,715.20 = 107,343.20 : x
  2. Step 2: Convert to fraction form
    130,671.20/195,715.20 = 107,343.20/x
  3. Step 3: Cross multiply
    130,671.20x = 195,715.20 × 107,343.20
  4. Step 4: Simplify right side
    130,671.20x = 21,008,695,856.64
  5. Step 5: Solve for x
    x = 21,008,695,856.64/130,671.20
  6. Step 6: Final answer
    x = 160,775.26

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