Home / 189,397.26-284,022.06-71,004

Finding the Fourth Proportional to 189,397.26, 284,022.06 and 71,004

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Solution

The fourth proportional to 189,397.26, 284,022.06 and 71,004 is: 106,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,397.26 : 284,022.06 = 71,004 : x
  2. Step 2: Convert to fraction form
    189,397.26/284,022.06 = 71,004/x
  3. Step 3: Cross multiply
    189,397.26x = 284,022.06 × 71,004
  4. Step 4: Simplify right side
    189,397.26x = 20,166,702,348.24
  5. Step 5: Solve for x
    x = 20,166,702,348.24/189,397.26
  6. Step 6: Final answer
    x = 106,478.32

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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.