Home / 208,134.87-312,204.12-50,363.46

Finding the Fourth Proportional to 208,134.87, 312,204.12 and 50,363.46

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Solution

The fourth proportional to 208,134.87, 312,204.12 and 50,363.46 is: 75,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,134.87 : 312,204.12 = 50,363.46 : x
  2. Step 2: Convert to fraction form
    208,134.87/312,204.12 = 50,363.46/x
  3. Step 3: Cross multiply
    208,134.87x = 312,204.12 × 50,363.46
  4. Step 4: Simplify right side
    208,134.87x = 15,723,679,709.46
  5. Step 5: Solve for x
    x = 15,723,679,709.46/208,134.87
  6. Step 6: Final answer
    x = 75,545.63

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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.