Home / 251,694.20-347,338.04-138,516.96

Finding the Fourth Proportional to 251,694.20, 347,338.04 and 138,516.96

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Solution

The fourth proportional to 251,694.20, 347,338.04 and 138,516.96 is: 191,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,694.20 : 347,338.04 = 138,516.96 : x
  2. Step 2: Convert to fraction form
    251,694.20/347,338.04 = 138,516.96/x
  3. Step 3: Cross multiply
    251,694.20x = 347,338.04 × 138,516.96
  4. Step 4: Simplify right side
    251,694.20x = 48,112,209,393.16
  5. Step 5: Solve for x
    x = 48,112,209,393.16/251,694.20
  6. Step 6: Final answer
    x = 191,153.43

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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.