Home / 205,037.10-307,786.05-158,496.30

Finding the Fourth Proportional to 205,037.10, 307,786.05 and 158,496.30

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Solution

The fourth proportional to 205,037.10, 307,786.05 and 158,496.30 is: 237,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,037.10 : 307,786.05 = 158,496.30 : x
  2. Step 2: Convert to fraction form
    205,037.10/307,786.05 = 158,496.30/x
  3. Step 3: Cross multiply
    205,037.10x = 307,786.05 × 158,496.30
  4. Step 4: Simplify right side
    205,037.10x = 48,782,950,116.62
  5. Step 5: Solve for x
    x = 48,782,950,116.62/205,037.10
  6. Step 6: Final answer
    x = 237,922.55

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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.