Home / 252,911.03-379,123.02-84,313.85

Finding the Fourth Proportional to 252,911.03, 379,123.02 and 84,313.85

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Solution

The fourth proportional to 252,911.03, 379,123.02 and 84,313.85 is: 126,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,911.03 : 379,123.02 = 84,313.85 : x
  2. Step 2: Convert to fraction form
    252,911.03/379,123.02 = 84,313.85/x
  3. Step 3: Cross multiply
    252,911.03x = 379,123.02 × 84,313.85
  4. Step 4: Simplify right side
    252,911.03x = 31,965,319,544.21
  5. Step 5: Solve for x
    x = 31,965,319,544.21/252,911.03
  6. Step 6: Final answer
    x = 126,389.59

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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.