Home / 252,037.24-347,811.42-138,859

Finding the Fourth Proportional to 252,037.24, 347,811.42 and 138,859

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Solution

The fourth proportional to 252,037.24, 347,811.42 and 138,859 is: 191,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,037.24 : 347,811.42 = 138,859 : x
  2. Step 2: Convert to fraction form
    252,037.24/347,811.42 = 138,859/x
  3. Step 3: Cross multiply
    252,037.24x = 347,811.42 × 138,859
  4. Step 4: Simplify right side
    252,037.24x = 48,296,745,969.78
  5. Step 5: Solve for x
    x = 48,296,745,969.78/252,037.24
  6. Step 6: Final answer
    x = 191,625.44

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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.