Home / 126,234.34-189,296.07-47,293.20

Finding the Fourth Proportional to 126,234.34, 189,296.07 and 47,293.20

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Solution

The fourth proportional to 126,234.34, 189,296.07 and 47,293.20 is: 70,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,234.34 : 189,296.07 = 47,293.20 : x
  2. Step 2: Convert to fraction form
    126,234.34/189,296.07 = 47,293.20/x
  3. Step 3: Cross multiply
    126,234.34x = 189,296.07 × 47,293.20
  4. Step 4: Simplify right side
    126,234.34x = 8,952,416,897.72
  5. Step 5: Solve for x
    x = 8,952,416,897.72/126,234.34
  6. Step 6: Final answer
    x = 70,919.03

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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.