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Finding the Fourth Proportional to 124,997.87, 172,500.50 and 71,291.63

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Solution

The fourth proportional to 124,997.87, 172,500.50 and 71,291.63 is: 98,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,997.87 : 172,500.50 = 71,291.63 : x
  2. Step 2: Convert to fraction form
    124,997.87/172,500.50 = 71,291.63/x
  3. Step 3: Cross multiply
    124,997.87x = 172,500.50 × 71,291.63
  4. Step 4: Simplify right side
    124,997.87x = 12,297,841,820.82
  5. Step 5: Solve for x
    x = 12,297,841,820.82/124,997.87
  6. Step 6: Final answer
    x = 98,384.41

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