Home / 215,729.94-323,573.04-57,937.89

Finding the Fourth Proportional to 215,729.94, 323,573.04 and 57,937.89

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Solution

The fourth proportional to 215,729.94, 323,573.04 and 57,937.89 is: 86,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,729.94 : 323,573.04 = 57,937.89 : x
  2. Step 2: Convert to fraction form
    215,729.94/323,573.04 = 57,937.89/x
  3. Step 3: Cross multiply
    215,729.94x = 323,573.04 × 57,937.89
  4. Step 4: Simplify right side
    215,729.94x = 18,747,139,198.49
  5. Step 5: Solve for x
    x = 18,747,139,198.49/215,729.94
  6. Step 6: Final answer
    x = 86,900.96

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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.