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Finding the Fourth Proportional to 107,319.40, 161,132.70 and 60,663.40

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Solution

The fourth proportional to 107,319.40, 161,132.70 and 60,663.40 is: 91,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,319.40 : 161,132.70 = 60,663.40 : x
  2. Step 2: Convert to fraction form
    107,319.40/161,132.70 = 60,663.40/x
  3. Step 3: Cross multiply
    107,319.40x = 161,132.70 × 60,663.40
  4. Step 4: Simplify right side
    107,319.40x = 9,774,857,433.18
  5. Step 5: Solve for x
    x = 9,774,857,433.18/107,319.40
  6. Step 6: Final answer
    x = 91,081.92

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