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Finding the Fourth Proportional to 132,363.20, 198,544.80 and 70,155.20

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Solution

The fourth proportional to 132,363.20, 198,544.80 and 70,155.20 is: 105,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,363.20 : 198,544.80 = 70,155.20 : x
  2. Step 2: Convert to fraction form
    132,363.20/198,544.80 = 70,155.20/x
  3. Step 3: Cross multiply
    132,363.20x = 198,544.80 × 70,155.20
  4. Step 4: Simplify right side
    132,363.20x = 13,928,950,152.96
  5. Step 5: Solve for x
    x = 13,928,950,152.96/132,363.20
  6. Step 6: Final answer
    x = 105,232.80

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