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Finding the Fourth Proportional to 124,661.43, 172,045.22 and 74,360.43

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Solution

The fourth proportional to 124,661.43, 172,045.22 and 74,360.43 is: 102,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,661.43 : 172,045.22 = 74,360.43 : x
  2. Step 2: Convert to fraction form
    124,661.43/172,045.22 = 74,360.43/x
  3. Step 3: Cross multiply
    124,661.43x = 172,045.22 × 74,360.43
  4. Step 4: Simplify right side
    124,661.43x = 12,793,356,166.84
  5. Step 5: Solve for x
    x = 12,793,356,166.84/124,661.43
  6. Step 6: Final answer
    x = 102,624.81

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