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Finding the Fourth Proportional to 228,513.25, 315,346.10 and 131,681.53

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Solution

The fourth proportional to 228,513.25, 315,346.10 and 131,681.53 is: 181,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,513.25 : 315,346.10 = 131,681.53 : x
  2. Step 2: Convert to fraction form
    228,513.25/315,346.10 = 131,681.53/x
  3. Step 3: Cross multiply
    228,513.25x = 315,346.10 × 131,681.53
  4. Step 4: Simplify right side
    228,513.25x = 41,525,256,663.31
  5. Step 5: Solve for x
    x = 41,525,256,663.31/228,513.25
  6. Step 6: Final answer
    x = 181,719.25

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