Home / 189,921.24-284,923.98-71,593.61

Finding the Fourth Proportional to 189,921.24, 284,923.98 and 71,593.61

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Solution

The fourth proportional to 189,921.24, 284,923.98 and 71,593.61 is: 107,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,921.24 : 284,923.98 = 71,593.61 : x
  2. Step 2: Convert to fraction form
    189,921.24/284,923.98 = 71,593.61/x
  3. Step 3: Cross multiply
    189,921.24x = 284,923.98 × 71,593.61
  4. Step 4: Simplify right side
    189,921.24x = 20,398,734,879.15
  5. Step 5: Solve for x
    x = 20,398,734,879.15/189,921.24
  6. Step 6: Final answer
    x = 107,406.29

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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.