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Finding the Fourth Proportional to 91,758.66, 137,621.54 and 25,190.03

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Solution

The fourth proportional to 91,758.66, 137,621.54 and 25,190.03 is: 37,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,758.66 : 137,621.54 = 25,190.03 : x
  2. Step 2: Convert to fraction form
    91,758.66/137,621.54 = 25,190.03/x
  3. Step 3: Cross multiply
    91,758.66x = 137,621.54 × 25,190.03
  4. Step 4: Simplify right side
    91,758.66x = 3,466,689,907.19
  5. Step 5: Solve for x
    x = 3,466,689,907.19/91,758.66
  6. Step 6: Final answer
    x = 37,780.52

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