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Finding the Fourth Proportional to 129,991.40, 194,835.90 and 59,877.80

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Solution

The fourth proportional to 129,991.40, 194,835.90 and 59,877.80 is: 89,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,991.40 : 194,835.90 = 59,877.80 : x
  2. Step 2: Convert to fraction form
    129,991.40/194,835.90 = 59,877.80/x
  3. Step 3: Cross multiply
    129,991.40x = 194,835.90 × 59,877.80
  4. Step 4: Simplify right side
    129,991.40x = 11,666,345,053.02
  5. Step 5: Solve for x
    x = 11,666,345,053.02/129,991.40
  6. Step 6: Final answer
    x = 89,747.05

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