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Finding the Fourth Proportional to 124,999.53, 187,518.78 and 40,740.15

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Solution

The fourth proportional to 124,999.53, 187,518.78 and 40,740.15 is: 61,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,999.53 : 187,518.78 = 40,740.15 : x
  2. Step 2: Convert to fraction form
    124,999.53/187,518.78 = 40,740.15/x
  3. Step 3: Cross multiply
    124,999.53x = 187,518.78 × 40,740.15
  4. Step 4: Simplify right side
    124,999.53x = 7,639,542,083.72
  5. Step 5: Solve for x
    x = 7,639,542,083.72/124,999.53
  6. Step 6: Final answer
    x = 61,116.57

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