Home / 159,532.30-220,164.24-87,912.26

Finding the Fourth Proportional to 159,532.30, 220,164.24 and 87,912.26

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Solution

The fourth proportional to 159,532.30, 220,164.24 and 87,912.26 is: 121,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,532.30 : 220,164.24 = 87,912.26 : x
  2. Step 2: Convert to fraction form
    159,532.30/220,164.24 = 87,912.26/x
  3. Step 3: Cross multiply
    159,532.30x = 220,164.24 × 87,912.26
  4. Step 4: Simplify right side
    159,532.30x = 19,355,135,909.58
  5. Step 5: Solve for x
    x = 19,355,135,909.58/159,532.30
  6. Step 6: Final answer
    x = 121,324.25

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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.