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Finding the Fourth Proportional to 99,576.40, 149,656.20 and 97,826.80

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Solution

The fourth proportional to 99,576.40, 149,656.20 and 97,826.80 is: 147,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,576.40 : 149,656.20 = 97,826.80 : x
  2. Step 2: Convert to fraction form
    99,576.40/149,656.20 = 97,826.80/x
  3. Step 3: Cross multiply
    99,576.40x = 149,656.20 × 97,826.80
  4. Step 4: Simplify right side
    99,576.40x = 14,640,387,146.16
  5. Step 5: Solve for x
    x = 14,640,387,146.16/99,576.40
  6. Step 6: Final answer
    x = 147,026.68

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