Home / 189,923.24-284,926.98-71,595.61

Finding the Fourth Proportional to 189,923.24, 284,926.98 and 71,595.61

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Solution

The fourth proportional to 189,923.24, 284,926.98 and 71,595.61 is: 107,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,923.24 : 284,926.98 = 71,595.61 : x
  2. Step 2: Convert to fraction form
    189,923.24/284,926.98 = 71,595.61/x
  3. Step 3: Cross multiply
    189,923.24x = 284,926.98 × 71,595.61
  4. Step 4: Simplify right side
    189,923.24x = 20,399,520,938.56
  5. Step 5: Solve for x
    x = 20,399,520,938.56/189,923.24
  6. Step 6: Final answer
    x = 107,409.29

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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.