Home / 194,789.30-292,123.20-76,496.90

Finding the Fourth Proportional to 194,789.30, 292,123.20 and 76,496.90

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Solution

The fourth proportional to 194,789.30, 292,123.20 and 76,496.90 is: 114,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,789.30 : 292,123.20 = 76,496.90 : x
  2. Step 2: Convert to fraction form
    194,789.30/292,123.20 = 76,496.90/x
  3. Step 3: Cross multiply
    194,789.30x = 292,123.20 × 76,496.90
  4. Step 4: Simplify right side
    194,789.30x = 22,346,519,218.08
  5. Step 5: Solve for x
    x = 22,346,519,218.08/194,789.30
  6. Step 6: Final answer
    x = 114,721.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.