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Finding the Fourth Proportional to 124,410.10, 186,615.15 and 74,643.70

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Solution

The fourth proportional to 124,410.10, 186,615.15 and 74,643.70 is: 111,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,410.10 : 186,615.15 = 74,643.70 : x
  2. Step 2: Convert to fraction form
    124,410.10/186,615.15 = 74,643.70/x
  3. Step 3: Cross multiply
    124,410.10x = 186,615.15 × 74,643.70
  4. Step 4: Simplify right side
    124,410.10x = 13,929,645,272.06
  5. Step 5: Solve for x
    x = 13,929,645,272.06/124,410.10
  6. Step 6: Final answer
    x = 111,965.55

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