Home / 189,472.40-283,834.20-122,958.80

Finding the Fourth Proportional to 189,472.40, 283,834.20 and 122,958.80

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Solution

The fourth proportional to 189,472.40, 283,834.20 and 122,958.80 is: 184,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,472.40 : 283,834.20 = 122,958.80 : x
  2. Step 2: Convert to fraction form
    189,472.40/283,834.20 = 122,958.80/x
  3. Step 3: Cross multiply
    189,472.40x = 283,834.20 × 122,958.80
  4. Step 4: Simplify right side
    189,472.40x = 34,899,912,630.96
  5. Step 5: Solve for x
    x = 34,899,912,630.96/189,472.40
  6. Step 6: Final answer
    x = 184,195.23

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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.