Home / 189,795.88-284,795.32-123,220.36

Finding the Fourth Proportional to 189,795.88, 284,795.32 and 123,220.36

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Solution

The fourth proportional to 189,795.88, 284,795.32 and 123,220.36 is: 184,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,795.88 : 284,795.32 = 123,220.36 : x
  2. Step 2: Convert to fraction form
    189,795.88/284,795.32 = 123,220.36/x
  3. Step 3: Cross multiply
    189,795.88x = 284,795.32 × 123,220.36
  4. Step 4: Simplify right side
    189,795.88x = 35,092,581,856.72
  5. Step 5: Solve for x
    x = 35,092,581,856.72/189,795.88
  6. Step 6: Final answer
    x = 184,896.44

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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.