Home / 126,158.60-189,269.82-41,919.21

Finding the Fourth Proportional to 126,158.60, 189,269.82 and 41,919.21

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Solution

The fourth proportional to 126,158.60, 189,269.82 and 41,919.21 is: 62,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,158.60 : 189,269.82 = 41,919.21 : x
  2. Step 2: Convert to fraction form
    126,158.60/189,269.82 = 41,919.21/x
  3. Step 3: Cross multiply
    126,158.60x = 189,269.82 × 41,919.21
  4. Step 4: Simplify right side
    126,158.60x = 7,934,041,331.24
  5. Step 5: Solve for x
    x = 7,934,041,331.24/126,158.60
  6. Step 6: Final answer
    x = 62,889.42

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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.