Home / 159,588.33-220,231.83-87,969.54

Finding the Fourth Proportional to 159,588.33, 220,231.83 and 87,969.54

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Solution

The fourth proportional to 159,588.33, 220,231.83 and 87,969.54 is: 121,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,588.33 : 220,231.83 = 87,969.54 : x
  2. Step 2: Convert to fraction form
    159,588.33/220,231.83 = 87,969.54/x
  3. Step 3: Cross multiply
    159,588.33x = 220,231.83 × 87,969.54
  4. Step 4: Simplify right side
    159,588.33x = 19,373,693,439.38
  5. Step 5: Solve for x
    x = 19,373,693,439.38/159,588.33
  6. Step 6: Final answer
    x = 121,397.94

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1.5x scale

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.