Home / 219,877.56-303,348.24-129,237.48

Finding the Fourth Proportional to 219,877.56, 303,348.24 and 129,237.48

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Solution

The fourth proportional to 219,877.56, 303,348.24 and 129,237.48 is: 178,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,877.56 : 303,348.24 = 129,237.48 : x
  2. Step 2: Convert to fraction form
    219,877.56/303,348.24 = 129,237.48/x
  3. Step 3: Cross multiply
    219,877.56x = 303,348.24 × 129,237.48
  4. Step 4: Simplify right side
    219,877.56x = 39,203,962,100.04
  5. Step 5: Solve for x
    x = 39,203,962,100.04/219,877.56
  6. Step 6: Final answer
    x = 178,299.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.