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Finding the Fourth Proportional to 125,412.92, 173,063.22 and 71,690.84

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Solution

The fourth proportional to 125,412.92, 173,063.22 and 71,690.84 is: 98,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412.92 : 173,063.22 = 71,690.84 : x
  2. Step 2: Convert to fraction form
    125,412.92/173,063.22 = 71,690.84/x
  3. Step 3: Cross multiply
    125,412.92x = 173,063.22 × 71,690.84
  4. Step 4: Simplify right side
    125,412.92x = 12,407,047,614.90
  5. Step 5: Solve for x
    x = 12,407,047,614.90/125,412.92
  6. Step 6: Final answer
    x = 98,929.58

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