Home / 126,321.24-189,548.28-51,496.68

Finding the Fourth Proportional to 126,321.24, 189,548.28 and 51,496.68

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Solution

The fourth proportional to 126,321.24, 189,548.28 and 51,496.68 is: 77,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,321.24 : 189,548.28 = 51,496.68 : x
  2. Step 2: Convert to fraction form
    126,321.24/189,548.28 = 51,496.68/x
  3. Step 3: Cross multiply
    126,321.24x = 189,548.28 × 51,496.68
  4. Step 4: Simplify right side
    126,321.24x = 9,761,107,119.71
  5. Step 5: Solve for x
    x = 9,761,107,119.71/126,321.24
  6. Step 6: Final answer
    x = 77,272.10

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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.