Home / 129,347.82-193,973.22-45,086.31

Finding the Fourth Proportional to 129,347.82, 193,973.22 and 45,086.31

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Solution

The fourth proportional to 129,347.82, 193,973.22 and 45,086.31 is: 67,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,347.82 : 193,973.22 = 45,086.31 : x
  2. Step 2: Convert to fraction form
    129,347.82/193,973.22 = 45,086.31/x
  3. Step 3: Cross multiply
    129,347.82x = 193,973.22 × 45,086.31
  4. Step 4: Simplify right side
    129,347.82x = 8,745,536,728.62
  5. Step 5: Solve for x
    x = 8,745,536,728.62/129,347.82
  6. Step 6: Final answer
    x = 67,612.56

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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.