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Finding the Fourth Proportional to 82,140.51, 123,157.81 and 32,225.66

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Solution

The fourth proportional to 82,140.51, 123,157.81 and 32,225.66 is: 48,317.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,140.51 : 123,157.81 = 32,225.66 : x
  2. Step 2: Convert to fraction form
    82,140.51/123,157.81 = 32,225.66/x
  3. Step 3: Cross multiply
    82,140.51x = 123,157.81 × 32,225.66
  4. Step 4: Simplify right side
    82,140.51x = 3,968,841,597.74
  5. Step 5: Solve for x
    x = 3,968,841,597.74/82,140.51
  6. Step 6: Final answer
    x = 48,317.71

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