Home / 189,381.12-284,110.56-56,249.52

Finding the Fourth Proportional to 189,381.12, 284,110.56 and 56,249.52

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Solution

The fourth proportional to 189,381.12, 284,110.56 and 56,249.52 is: 84,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,381.12 : 284,110.56 = 56,249.52 : x
  2. Step 2: Convert to fraction form
    189,381.12/284,110.56 = 56,249.52/x
  3. Step 3: Cross multiply
    189,381.12x = 284,110.56 × 56,249.52
  4. Step 4: Simplify right side
    189,381.12x = 15,981,082,626.93
  5. Step 5: Solve for x
    x = 15,981,082,626.93/189,381.12
  6. Step 6: Final answer
    x = 84,385.83

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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.