Home / 126,581.40-189,847.80-37,837.80

Finding the Fourth Proportional to 126,581.40, 189,847.80 and 37,837.80

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Solution

The fourth proportional to 126,581.40, 189,847.80 and 37,837.80 is: 56,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,581.40 : 189,847.80 = 37,837.80 : x
  2. Step 2: Convert to fraction form
    126,581.40/189,847.80 = 37,837.80/x
  3. Step 3: Cross multiply
    126,581.40x = 189,847.80 × 37,837.80
  4. Step 4: Simplify right side
    126,581.40x = 7,183,423,086.84
  5. Step 5: Solve for x
    x = 7,183,423,086.84/126,581.40
  6. Step 6: Final answer
    x = 56,749.44

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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.