Home / 189,388.43-283,716.32-158,628.36

Finding the Fourth Proportional to 189,388.43, 283,716.32 and 158,628.36

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Solution

The fourth proportional to 189,388.43, 283,716.32 and 158,628.36 is: 237,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,388.43 : 283,716.32 = 158,628.36 : x
  2. Step 2: Convert to fraction form
    189,388.43/283,716.32 = 158,628.36/x
  3. Step 3: Cross multiply
    189,388.43x = 283,716.32 × 158,628.36
  4. Step 4: Simplify right side
    189,388.43x = 45,005,453,753.69
  5. Step 5: Solve for x
    x = 45,005,453,753.69/189,388.43
  6. Step 6: Final answer
    x = 237,635.71

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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.