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Finding the Fourth Proportional to 116,641.83, 160,970.85 and 65,657.85

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Solution

The fourth proportional to 116,641.83, 160,970.85 and 65,657.85 is: 90,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,641.83 : 160,970.85 = 65,657.85 : x
  2. Step 2: Convert to fraction form
    116,641.83/160,970.85 = 65,657.85/x
  3. Step 3: Cross multiply
    116,641.83x = 160,970.85 × 65,657.85
  4. Step 4: Simplify right side
    116,641.83x = 10,568,999,923.67
  5. Step 5: Solve for x
    x = 10,568,999,923.67/116,641.83
  6. Step 6: Final answer
    x = 90,610.72

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