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Finding the Fourth Proportional to 124,820.22, 172,251.99 and 68,231.61

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Solution

The fourth proportional to 124,820.22, 172,251.99 and 68,231.61 is: 94,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,820.22 : 172,251.99 = 68,231.61 : x
  2. Step 2: Convert to fraction form
    124,820.22/172,251.99 = 68,231.61/x
  3. Step 3: Cross multiply
    124,820.22x = 172,251.99 × 68,231.61
  4. Step 4: Simplify right side
    124,820.22x = 11,753,030,603.40
  5. Step 5: Solve for x
    x = 11,753,030,603.40/124,820.22
  6. Step 6: Final answer
    x = 94,159.67

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