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Finding the Fourth Proportional to 173,682.60, 260,523.90 and 85,109.10

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Solution

The fourth proportional to 173,682.60, 260,523.90 and 85,109.10 is: 127,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,682.60 : 260,523.90 = 85,109.10 : x
  2. Step 2: Convert to fraction form
    173,682.60/260,523.90 = 85,109.10/x
  3. Step 3: Cross multiply
    173,682.60x = 260,523.90 × 85,109.10
  4. Step 4: Simplify right side
    173,682.60x = 22,172,954,657.49
  5. Step 5: Solve for x
    x = 22,172,954,657.49/173,682.60
  6. Step 6: Final answer
    x = 127,663.65

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