Home / 215,733.14-323,646.41-82,613.40

Finding the Fourth Proportional to 215,733.14, 323,646.41 and 82,613.40

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Solution

The fourth proportional to 215,733.14, 323,646.41 and 82,613.40 is: 123,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,733.14 : 323,646.41 = 82,613.40 : x
  2. Step 2: Convert to fraction form
    215,733.14/323,646.41 = 82,613.40/x
  3. Step 3: Cross multiply
    215,733.14x = 323,646.41 × 82,613.40
  4. Step 4: Simplify right side
    215,733.14x = 26,737,529,914.83
  5. Step 5: Solve for x
    x = 26,737,529,914.83/215,733.14
  6. Step 6: Final answer
    x = 123,937.98

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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.