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Finding the Fourth Proportional to 124,798.77, 172,219.77 and 68,210.55

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Solution

The fourth proportional to 124,798.77, 172,219.77 and 68,210.55 is: 94,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,798.77 : 172,219.77 = 68,210.55 : x
  2. Step 2: Convert to fraction form
    124,798.77/172,219.77 = 68,210.55/x
  3. Step 3: Cross multiply
    124,798.77x = 172,219.77 × 68,210.55
  4. Step 4: Simplify right side
    124,798.77x = 11,747,205,232.57
  5. Step 5: Solve for x
    x = 11,747,205,232.57/124,798.77
  6. Step 6: Final answer
    x = 94,129.17

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