Home / 189,381.13-284,022.78-56,231.26

Finding the Fourth Proportional to 189,381.13, 284,022.78 and 56,231.26

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Solution

The fourth proportional to 189,381.13, 284,022.78 and 56,231.26 is: 84,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,381.13 : 284,022.78 = 56,231.26 : x
  2. Step 2: Convert to fraction form
    189,381.13/284,022.78 = 56,231.26/x
  3. Step 3: Cross multiply
    189,381.13x = 284,022.78 × 56,231.26
  4. Step 4: Simplify right side
    189,381.13x = 15,970,958,788.10
  5. Step 5: Solve for x
    x = 15,970,958,788.10/189,381.13
  6. Step 6: Final answer
    x = 84,332.37

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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.