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Finding the Fourth Proportional to 129,912.40, 194,803.80 and 59,712.40

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Solution

The fourth proportional to 129,912.40, 194,803.80 and 59,712.40 is: 89,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,912.40 : 194,803.80 = 59,712.40 : x
  2. Step 2: Convert to fraction form
    129,912.40/194,803.80 = 59,712.40/x
  3. Step 3: Cross multiply
    129,912.40x = 194,803.80 × 59,712.40
  4. Step 4: Simplify right side
    129,912.40x = 11,632,202,427.12
  5. Step 5: Solve for x
    x = 11,632,202,427.12/129,912.40
  6. Step 6: Final answer
    x = 89,538.82

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