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Finding the Fourth Proportional to 141,628.42, 195,439.80 and 77,953.78

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Solution

The fourth proportional to 141,628.42, 195,439.80 and 77,953.78 is: 107,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,628.42 : 195,439.80 = 77,953.78 : x
  2. Step 2: Convert to fraction form
    141,628.42/195,439.80 = 77,953.78/x
  3. Step 3: Cross multiply
    141,628.42x = 195,439.80 × 77,953.78
  4. Step 4: Simplify right side
    141,628.42x = 15,235,271,172.44
  5. Step 5: Solve for x
    x = 15,235,271,172.44/141,628.42
  6. Step 6: Final answer
    x = 107,572.13

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