Home / 189,379.08-283,876.65-122,861.61

Finding the Fourth Proportional to 189,379.08, 283,876.65 and 122,861.61

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Solution

The fourth proportional to 189,379.08, 283,876.65 and 122,861.61 is: 184,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,379.08 : 283,876.65 = 122,861.61 : x
  2. Step 2: Convert to fraction form
    189,379.08/283,876.65 = 122,861.61/x
  3. Step 3: Cross multiply
    189,379.08x = 283,876.65 × 122,861.61
  4. Step 4: Simplify right side
    189,379.08x = 34,877,542,260.41
  5. Step 5: Solve for x
    x = 34,877,542,260.41/189,379.08
  6. Step 6: Final answer
    x = 184,167.87

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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.