Home / 126,523.48-189,814.02-43,412.44

Finding the Fourth Proportional to 126,523.48, 189,814.02 and 43,412.44

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Solution

The fourth proportional to 126,523.48, 189,814.02 and 43,412.44 is: 65,128.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,523.48 : 189,814.02 = 43,412.44 : x
  2. Step 2: Convert to fraction form
    126,523.48/189,814.02 = 43,412.44/x
  3. Step 3: Cross multiply
    126,523.48x = 189,814.02 × 43,412.44
  4. Step 4: Simplify right side
    126,523.48x = 8,240,289,754.41
  5. Step 5: Solve for x
    x = 8,240,289,754.41/126,523.48
  6. Step 6: Final answer
    x = 65,128.54

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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.