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Finding the Fourth Proportional to 112,700.43, 155,519.69 and 61,713.77

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Solution

The fourth proportional to 112,700.43, 155,519.69 and 61,713.77 is: 85,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,700.43 : 155,519.69 = 61,713.77 : x
  2. Step 2: Convert to fraction form
    112,700.43/155,519.69 = 61,713.77/x
  3. Step 3: Cross multiply
    112,700.43x = 155,519.69 × 61,713.77
  4. Step 4: Simplify right side
    112,700.43x = 9,597,706,144.62
  5. Step 5: Solve for x
    x = 9,597,706,144.62/112,700.43
  6. Step 6: Final answer
    x = 85,161.22

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