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Finding the Fourth Proportional to 124,666.75, 172,052.57 and 74,365.75

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Solution

The fourth proportional to 124,666.75, 172,052.57 and 74,365.75 is: 102,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,666.75 : 172,052.57 = 74,365.75 : x
  2. Step 2: Convert to fraction form
    124,666.75/172,052.57 = 74,365.75/x
  3. Step 3: Cross multiply
    124,666.75x = 172,052.57 × 74,365.75
  4. Step 4: Simplify right side
    124,666.75x = 12,794,818,407.48
  5. Step 5: Solve for x
    x = 12,794,818,407.48/124,666.75
  6. Step 6: Final answer
    x = 102,632.16

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