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Finding the Fourth Proportional to 122,140.80, 183,211.20 and 59,932.80

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Solution

The fourth proportional to 122,140.80, 183,211.20 and 59,932.80 is: 89,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,140.80 : 183,211.20 = 59,932.80 : x
  2. Step 2: Convert to fraction form
    122,140.80/183,211.20 = 59,932.80/x
  3. Step 3: Cross multiply
    122,140.80x = 183,211.20 × 59,932.80
  4. Step 4: Simplify right side
    122,140.80x = 10,980,360,207.36
  5. Step 5: Solve for x
    x = 10,980,360,207.36/122,140.80
  6. Step 6: Final answer
    x = 89,899.20

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