Home / 189,371.13-284,007.78-56,221.26

Finding the Fourth Proportional to 189,371.13, 284,007.78 and 56,221.26

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Solution

The fourth proportional to 189,371.13, 284,007.78 and 56,221.26 is: 84,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,371.13 : 284,007.78 = 56,221.26 : x
  2. Step 2: Convert to fraction form
    189,371.13/284,007.78 = 56,221.26/x
  3. Step 3: Cross multiply
    189,371.13x = 284,007.78 × 56,221.26
  4. Step 4: Simplify right side
    189,371.13x = 15,967,275,241.40
  5. Step 5: Solve for x
    x = 15,967,275,241.40/189,371.13
  6. Step 6: Final answer
    x = 84,317.37

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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.