Home / 215,363.87-323,117.73-95,404.53

Finding the Fourth Proportional to 215,363.87, 323,117.73 and 95,404.53

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Solution

The fourth proportional to 215,363.87, 323,117.73 and 95,404.53 is: 143,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,363.87 : 323,117.73 = 95,404.53 : x
  2. Step 2: Convert to fraction form
    215,363.87/323,117.73 = 95,404.53/x
  3. Step 3: Cross multiply
    215,363.87x = 323,117.73 × 95,404.53
  4. Step 4: Simplify right side
    215,363.87x = 30,826,895,165.32
  5. Step 5: Solve for x
    x = 30,826,895,165.32/215,363.87
  6. Step 6: Final answer
    x = 143,138.66

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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.