Home / 208,123.43-312,149.97-58,329.27

Finding the Fourth Proportional to 208,123.43, 312,149.97 and 58,329.27

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Solution

The fourth proportional to 208,123.43, 312,149.97 and 58,329.27 is: 87,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,123.43 : 312,149.97 = 58,329.27 : x
  2. Step 2: Convert to fraction form
    208,123.43/312,149.97 = 58,329.27/x
  3. Step 3: Cross multiply
    208,123.43x = 312,149.97 × 58,329.27
  4. Step 4: Simplify right side
    208,123.43x = 18,207,479,880.62
  5. Step 5: Solve for x
    x = 18,207,479,880.62/208,123.43
  6. Step 6: Final answer
    x = 87,484.05

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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.