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Finding the Fourth Proportional to 125.80, 188.59 and 48.82

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Solution

The fourth proportional to 125.80, 188.59 and 48.82 is: 73.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.80 : 188.59 = 48.82 : x
  2. Step 2: Convert to fraction form
    125.80/188.59 = 48.82/x
  3. Step 3: Cross multiply
    125.80x = 188.59 × 48.82
  4. Step 4: Simplify right side
    125.80x = 9,205.78
  5. Step 5: Solve for x
    x = 9,205.78/125.80
  6. Step 6: Final answer
    x = 73.18

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