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Finding the Fourth Proportional to 95,203.40, 142,805.10 and 86,455.40

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Solution

The fourth proportional to 95,203.40, 142,805.10 and 86,455.40 is: 129,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,203.40 : 142,805.10 = 86,455.40 : x
  2. Step 2: Convert to fraction form
    95,203.40/142,805.10 = 86,455.40/x
  3. Step 3: Cross multiply
    95,203.40x = 142,805.10 × 86,455.40
  4. Step 4: Simplify right side
    95,203.40x = 12,346,272,042.54
  5. Step 5: Solve for x
    x = 12,346,272,042.54/95,203.40
  6. Step 6: Final answer
    x = 129,683.10

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