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Finding the Fourth Proportional to 124,224.10, 186,336.15 and 74,457.70

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Solution

The fourth proportional to 124,224.10, 186,336.15 and 74,457.70 is: 111,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,224.10 : 186,336.15 = 74,457.70 : x
  2. Step 2: Convert to fraction form
    124,224.10/186,336.15 = 74,457.70/x
  3. Step 3: Cross multiply
    124,224.10x = 186,336.15 × 74,457.70
  4. Step 4: Simplify right side
    124,224.10x = 13,874,161,155.86
  5. Step 5: Solve for x
    x = 13,874,161,155.86/124,224.10
  6. Step 6: Final answer
    x = 111,686.55

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