Home / 189,234.24-284,048.22-139,370.64

Finding the Fourth Proportional to 189,234.24, 284,048.22 and 139,370.64

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Solution

The fourth proportional to 189,234.24, 284,048.22 and 139,370.64 is: 209,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,234.24 : 284,048.22 = 139,370.64 : x
  2. Step 2: Convert to fraction form
    189,234.24/284,048.22 = 139,370.64/x
  3. Step 3: Cross multiply
    189,234.24x = 284,048.22 × 139,370.64
  4. Step 4: Simplify right side
    189,234.24x = 39,587,982,212.26
  5. Step 5: Solve for x
    x = 39,587,982,212.26/189,234.24
  6. Step 6: Final answer
    x = 209,200.95

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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.