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Finding the Fourth Proportional to 90,169.50, 124,490.62 and 57,917.13

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Solution

The fourth proportional to 90,169.50, 124,490.62 and 57,917.13 is: 79,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,169.50 : 124,490.62 = 57,917.13 : x
  2. Step 2: Convert to fraction form
    90,169.50/124,490.62 = 57,917.13/x
  3. Step 3: Cross multiply
    90,169.50x = 124,490.62 × 57,917.13
  4. Step 4: Simplify right side
    90,169.50x = 7,210,139,027.88
  5. Step 5: Solve for x
    x = 7,210,139,027.88/90,169.50
  6. Step 6: Final answer
    x = 79,962.06

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