Home / 215,736.80-323,604.90-57,965.22

Finding the Fourth Proportional to 215,736.80, 323,604.90 and 57,965.22

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Solution

The fourth proportional to 215,736.80, 323,604.90 and 57,965.22 is: 86,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,736.80 : 323,604.90 = 57,965.22 : x
  2. Step 2: Convert to fraction form
    215,736.80/323,604.90 = 57,965.22/x
  3. Step 3: Cross multiply
    215,736.80x = 323,604.90 × 57,965.22
  4. Step 4: Simplify right side
    215,736.80x = 18,757,829,221.58
  5. Step 5: Solve for x
    x = 18,757,829,221.58/215,736.80
  6. Step 6: Final answer
    x = 86,947.75

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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.