Home / 252,137.64-347,949.24-138,960.36

Finding the Fourth Proportional to 252,137.64, 347,949.24 and 138,960.36

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Solution

The fourth proportional to 252,137.64, 347,949.24 and 138,960.36 is: 191,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,137.64 : 347,949.24 = 138,960.36 : x
  2. Step 2: Convert to fraction form
    252,137.64/347,949.24 = 138,960.36/x
  3. Step 3: Cross multiply
    252,137.64x = 347,949.24 × 138,960.36
  4. Step 4: Simplify right side
    252,137.64x = 48,351,151,652.13
  5. Step 5: Solve for x
    x = 48,351,151,652.13/252,137.64
  6. Step 6: Final answer
    x = 191,764.91

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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.