Home / 211,757.88-292,204.38-126,872.76

Finding the Fourth Proportional to 211,757.88, 292,204.38 and 126,872.76

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Solution

The fourth proportional to 211,757.88, 292,204.38 and 126,872.76 is: 175,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,757.88 : 292,204.38 = 126,872.76 : x
  2. Step 2: Convert to fraction form
    211,757.88/292,204.38 = 126,872.76/x
  3. Step 3: Cross multiply
    211,757.88x = 292,204.38 × 126,872.76
  4. Step 4: Simplify right side
    211,757.88x = 37,072,776,174.69
  5. Step 5: Solve for x
    x = 37,072,776,174.69/211,757.88
  6. Step 6: Final answer
    x = 175,071.53

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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.