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Finding the Fourth Proportional to 125,805.72, 173,424.06 and 83,290.44

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Solution

The fourth proportional to 125,805.72, 173,424.06 and 83,290.44 is: 114,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,805.72 : 173,424.06 = 83,290.44 : x
  2. Step 2: Convert to fraction form
    125,805.72/173,424.06 = 83,290.44/x
  3. Step 3: Cross multiply
    125,805.72x = 173,424.06 × 83,290.44
  4. Step 4: Simplify right side
    125,805.72x = 14,444,566,263.99
  5. Step 5: Solve for x
    x = 14,444,566,263.99/125,805.72
  6. Step 6: Final answer
    x = 114,816.45

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