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Finding the Fourth Proportional to 116,746.68, 161,111.16 and 66,445.68

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Solution

The fourth proportional to 116,746.68, 161,111.16 and 66,445.68 is: 91,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,746.68 : 161,111.16 = 66,445.68 : x
  2. Step 2: Convert to fraction form
    116,746.68/161,111.16 = 66,445.68/x
  3. Step 3: Cross multiply
    116,746.68x = 161,111.16 × 66,445.68
  4. Step 4: Simplify right side
    116,746.68x = 10,705,140,581.79
  5. Step 5: Solve for x
    x = 10,705,140,581.79/116,746.68
  6. Step 6: Final answer
    x = 91,695.46

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