Home / 189,129.24-283,700.34-64,467

Finding the Fourth Proportional to 189,129.24, 283,700.34 and 64,467

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Solution

The fourth proportional to 189,129.24, 283,700.34 and 64,467 is: 96,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,129.24 : 283,700.34 = 64,467 : x
  2. Step 2: Convert to fraction form
    189,129.24/283,700.34 = 64,467/x
  3. Step 3: Cross multiply
    189,129.24x = 283,700.34 × 64,467
  4. Step 4: Simplify right side
    189,129.24x = 18,289,309,818.78
  5. Step 5: Solve for x
    x = 18,289,309,818.78/189,129.24
  6. Step 6: Final answer
    x = 96,702.71

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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.