Home / 126,431.64-189,647.37-37,682.87

Finding the Fourth Proportional to 126,431.64, 189,647.37 and 37,682.87

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Solution

The fourth proportional to 126,431.64, 189,647.37 and 37,682.87 is: 56,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,431.64 : 189,647.37 = 37,682.87 : x
  2. Step 2: Convert to fraction form
    126,431.64/189,647.37 = 37,682.87/x
  3. Step 3: Cross multiply
    126,431.64x = 189,647.37 × 37,682.87
  4. Step 4: Simplify right side
    126,431.64x = 7,146,456,241.32
  5. Step 5: Solve for x
    x = 7,146,456,241.32/126,431.64
  6. Step 6: Final answer
    x = 56,524.27

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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.