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Finding the Fourth Proportional to 107,809.10, 161,713.65 and 82,897.10

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Solution

The fourth proportional to 107,809.10, 161,713.65 and 82,897.10 is: 124,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,809.10 : 161,713.65 = 82,897.10 : x
  2. Step 2: Convert to fraction form
    107,809.10/161,713.65 = 82,897.10/x
  3. Step 3: Cross multiply
    107,809.10x = 161,713.65 × 82,897.10
  4. Step 4: Simplify right side
    107,809.10x = 13,405,592,615.42
  5. Step 5: Solve for x
    x = 13,405,592,615.42/107,809.10
  6. Step 6: Final answer
    x = 124,345.65

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