Home / 78,618.15-117,945.67-22,459.06

Finding the Fourth Proportional to 78,618.15, 117,945.67 and 22,459.06

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Solution

The fourth proportional to 78,618.15, 117,945.67 and 22,459.06 is: 33,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,618.15 : 117,945.67 = 22,459.06 : x
  2. Step 2: Convert to fraction form
    78,618.15/117,945.67 = 22,459.06/x
  3. Step 3: Cross multiply
    78,618.15x = 117,945.67 × 22,459.06
  4. Step 4: Simplify right side
    78,618.15x = 2,648,948,879.27
  5. Step 5: Solve for x
    x = 2,648,948,879.27/78,618.15
  6. Step 6: Final answer
    x = 33,693.86

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