Home / 241,204.85-361,552-81,128.39

Finding the Fourth Proportional to 241,204.85, 361,552 and 81,128.39

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Solution

The fourth proportional to 241,204.85, 361,552 and 81,128.39 is: 121,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,204.85 : 361,552 = 81,128.39 : x
  2. Step 2: Convert to fraction form
    241,204.85/361,552 = 81,128.39/x
  3. Step 3: Cross multiply
    241,204.85x = 361,552 × 81,128.39
  4. Step 4: Simplify right side
    241,204.85x = 29,332,131,661.28
  5. Step 5: Solve for x
    x = 29,332,131,661.28/241,204.85
  6. Step 6: Final answer
    x = 121,606.72

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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.