Home / 159,979.24-220,645.38-149,248.36

Finding the Fourth Proportional to 159,979.24, 220,645.38 and 149,248.36

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Solution

The fourth proportional to 159,979.24, 220,645.38 and 149,248.36 is: 205,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,979.24 : 220,645.38 = 149,248.36 : x
  2. Step 2: Convert to fraction form
    159,979.24/220,645.38 = 149,248.36/x
  3. Step 3: Cross multiply
    159,979.24x = 220,645.38 × 149,248.36
  4. Step 4: Simplify right side
    159,979.24x = 32,930,961,106.58
  5. Step 5: Solve for x
    x = 32,930,961,106.58/159,979.24
  6. Step 6: Final answer
    x = 205,845.22

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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.