Home / 250,329.56-375,578.18-81,857.66

Finding the Fourth Proportional to 250,329.56, 375,578.18 and 81,857.66

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Solution

The fourth proportional to 250,329.56, 375,578.18 and 81,857.66 is: 122,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,329.56 : 375,578.18 = 81,857.66 : x
  2. Step 2: Convert to fraction form
    250,329.56/375,578.18 = 81,857.66/x
  3. Step 3: Cross multiply
    250,329.56x = 375,578.18 × 81,857.66
  4. Step 4: Simplify right side
    250,329.56x = 30,743,950,961.86
  5. Step 5: Solve for x
    x = 30,743,950,961.86/250,329.56
  6. Step 6: Final answer
    x = 122,813.91

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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.