Home / 189,610.80-284,364.36-71,273.04

Finding the Fourth Proportional to 189,610.80, 284,364.36 and 71,273.04

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Solution

The fourth proportional to 189,610.80, 284,364.36 and 71,273.04 is: 106,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,610.80 : 284,364.36 = 71,273.04 : x
  2. Step 2: Convert to fraction form
    189,610.80/284,364.36 = 71,273.04/x
  3. Step 3: Cross multiply
    189,610.80x = 284,364.36 × 71,273.04
  4. Step 4: Simplify right side
    189,610.80x = 20,267,512,404.85
  5. Step 5: Solve for x
    x = 20,267,512,404.85/189,610.80
  6. Step 6: Final answer
    x = 106,890.07

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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.