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Finding the Fourth Proportional to 107,312.40, 161,098.20 and 106,534.80

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Solution

The fourth proportional to 107,312.40, 161,098.20 and 106,534.80 is: 159,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,312.40 : 161,098.20 = 106,534.80 : x
  2. Step 2: Convert to fraction form
    107,312.40/161,098.20 = 106,534.80/x
  3. Step 3: Cross multiply
    107,312.40x = 161,098.20 × 106,534.80
  4. Step 4: Simplify right side
    107,312.40x = 17,162,564,517.36
  5. Step 5: Solve for x
    x = 17,162,564,517.36/107,312.40
  6. Step 6: Final answer
    x = 159,930.86

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