Home / 234,876.28-324,213.32-139,382.96

Finding the Fourth Proportional to 234,876.28, 324,213.32 and 139,382.96

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Solution

The fourth proportional to 234,876.28, 324,213.32 and 139,382.96 is: 192,398.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,876.28 : 324,213.32 = 139,382.96 : x
  2. Step 2: Convert to fraction form
    234,876.28/324,213.32 = 139,382.96/x
  3. Step 3: Cross multiply
    234,876.28x = 324,213.32 × 139,382.96
  4. Step 4: Simplify right side
    234,876.28x = 45,189,812,213.03
  5. Step 5: Solve for x
    x = 45,189,812,213.03/234,876.28
  6. Step 6: Final answer
    x = 192,398.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.