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Finding the Fourth Proportional to 114,686.10, 172,029.15 and 88,442.10

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Solution

The fourth proportional to 114,686.10, 172,029.15 and 88,442.10 is: 132,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,686.10 : 172,029.15 = 88,442.10 : x
  2. Step 2: Convert to fraction form
    114,686.10/172,029.15 = 88,442.10/x
  3. Step 3: Cross multiply
    114,686.10x = 172,029.15 × 88,442.10
  4. Step 4: Simplify right side
    114,686.10x = 15,214,619,287.22
  5. Step 5: Solve for x
    x = 15,214,619,287.22/114,686.10
  6. Step 6: Final answer
    x = 132,663.15

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