Home / 159,917.66-220,684.93-88,296.13

Finding the Fourth Proportional to 159,917.66, 220,684.93 and 88,296.13

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Solution

The fourth proportional to 159,917.66, 220,684.93 and 88,296.13 is: 121,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,917.66 : 220,684.93 = 88,296.13 : x
  2. Step 2: Convert to fraction form
    159,917.66/220,684.93 = 88,296.13/x
  3. Step 3: Cross multiply
    159,917.66x = 220,684.93 × 88,296.13
  4. Step 4: Simplify right side
    159,917.66x = 19,485,625,268.32
  5. Step 5: Solve for x
    x = 19,485,625,268.32/159,917.66
  6. Step 6: Final answer
    x = 121,847.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.