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Finding the Fourth Proportional to 129,409.56, 194,114.28 and 35,915.28

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Solution

The fourth proportional to 129,409.56, 194,114.28 and 35,915.28 is: 53,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,409.56 : 194,114.28 = 35,915.28 : x
  2. Step 2: Convert to fraction form
    129,409.56/194,114.28 = 35,915.28/x
  3. Step 3: Cross multiply
    129,409.56x = 194,114.28 × 35,915.28
  4. Step 4: Simplify right side
    129,409.56x = 6,971,668,718.20
  5. Step 5: Solve for x
    x = 6,971,668,718.20/129,409.56
  6. Step 6: Final answer
    x = 53,872.90

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