Home / 215,799.36-322,869.60-131,544.24

Finding the Fourth Proportional to 215,799.36, 322,869.60 and 131,544.24

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Solution

The fourth proportional to 215,799.36, 322,869.60 and 131,544.24 is: 196,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,799.36 : 322,869.60 = 131,544.24 : x
  2. Step 2: Convert to fraction form
    215,799.36/322,869.60 = 131,544.24/x
  3. Step 3: Cross multiply
    215,799.36x = 322,869.60 × 131,544.24
  4. Step 4: Simplify right side
    215,799.36x = 42,471,636,151.10
  5. Step 5: Solve for x
    x = 42,471,636,151.10/215,799.36
  6. Step 6: Final answer
    x = 196,810.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.