Home / 103,178.43-154,567.85-60,380.33

Finding the Fourth Proportional to 103,178.43, 154,567.85 and 60,380.33

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Solution

The fourth proportional to 103,178.43, 154,567.85 and 60,380.33 is: 90,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,178.43 : 154,567.85 = 60,380.33 : x
  2. Step 2: Convert to fraction form
    103,178.43/154,567.85 = 60,380.33/x
  3. Step 3: Cross multiply
    103,178.43x = 154,567.85 × 60,380.33
  4. Step 4: Simplify right side
    103,178.43x = 9,332,856,715.65
  5. Step 5: Solve for x
    x = 9,332,856,715.65/103,178.43
  6. Step 6: Final answer
    x = 90,453.56

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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.