Home / 126,431.82-189,587.52-37,654.20

Finding the Fourth Proportional to 126,431.82, 189,587.52 and 37,654.20

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Solution

The fourth proportional to 126,431.82, 189,587.52 and 37,654.20 is: 56,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,431.82 : 189,587.52 = 37,654.20 : x
  2. Step 2: Convert to fraction form
    126,431.82/189,587.52 = 37,654.20/x
  3. Step 3: Cross multiply
    126,431.82x = 189,587.52 × 37,654.20
  4. Step 4: Simplify right side
    126,431.82x = 7,138,766,395.58
  5. Step 5: Solve for x
    x = 7,138,766,395.58/126,431.82
  6. Step 6: Final answer
    x = 56,463.37

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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.