Home / 189,399.26-284,025.06-71,006

Finding the Fourth Proportional to 189,399.26, 284,025.06 and 71,006

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Solution

The fourth proportional to 189,399.26, 284,025.06 and 71,006 is: 106,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,399.26 : 284,025.06 = 71,006 : x
  2. Step 2: Convert to fraction form
    189,399.26/284,025.06 = 71,006/x
  3. Step 3: Cross multiply
    189,399.26x = 284,025.06 × 71,006
  4. Step 4: Simplify right side
    189,399.26x = 20,167,483,410.36
  5. Step 5: Solve for x
    x = 20,167,483,410.36/189,399.26
  6. Step 6: Final answer
    x = 106,481.32

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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.