Home / 194,789.80-292,315.89-76,447.18

Finding the Fourth Proportional to 194,789.80, 292,315.89 and 76,447.18

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Solution

The fourth proportional to 194,789.80, 292,315.89 and 76,447.18 is: 114,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,789.80 : 292,315.89 = 76,447.18 : x
  2. Step 2: Convert to fraction form
    194,789.80/292,315.89 = 76,447.18/x
  3. Step 3: Cross multiply
    194,789.80x = 292,315.89 × 76,447.18
  4. Step 4: Simplify right side
    194,789.80x = 22,346,725,459.69
  5. Step 5: Solve for x
    x = 22,346,725,459.69/194,789.80
  6. Step 6: Final answer
    x = 114,722.26

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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.