Home / 84,090.22-126,168.99-34,174.15

Finding the Fourth Proportional to 84,090.22, 126,168.99 and 34,174.15

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Solution

The fourth proportional to 84,090.22, 126,168.99 and 34,174.15 is: 51,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,090.22 : 126,168.99 = 34,174.15 : x
  2. Step 2: Convert to fraction form
    84,090.22/126,168.99 = 34,174.15/x
  3. Step 3: Cross multiply
    84,090.22x = 126,168.99 × 34,174.15
  4. Step 4: Simplify right side
    84,090.22x = 4,311,717,989.61
  5. Step 5: Solve for x
    x = 4,311,717,989.61/84,090.22
  6. Step 6: Final answer
    x = 51,274.90

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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.