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Finding the Fourth Proportional to 107,809.79, 161,743.86 and 61,095.47

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Solution

The fourth proportional to 107,809.79, 161,743.86 and 61,095.47 is: 91,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,809.79 : 161,743.86 = 61,095.47 : x
  2. Step 2: Convert to fraction form
    107,809.79/161,743.86 = 61,095.47/x
  3. Step 3: Cross multiply
    107,809.79x = 161,743.86 × 61,095.47
  4. Step 4: Simplify right side
    107,809.79x = 9,881,817,146.31
  5. Step 5: Solve for x
    x = 9,881,817,146.31/107,809.79
  6. Step 6: Final answer
    x = 91,659.74

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