Home / 196,440.92-295,081.19-140,639.61

Finding the Fourth Proportional to 196,440.92, 295,081.19 and 140,639.61

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Solution

The fourth proportional to 196,440.92, 295,081.19 and 140,639.61 is: 211,259.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,440.92 : 295,081.19 = 140,639.61 : x
  2. Step 2: Convert to fraction form
    196,440.92/295,081.19 = 140,639.61/x
  3. Step 3: Cross multiply
    196,440.92x = 295,081.19 × 140,639.61
  4. Step 4: Simplify right side
    196,440.92x = 41,500,102,776.74
  5. Step 5: Solve for x
    x = 41,500,102,776.74/196,440.92
  6. Step 6: Final answer
    x = 211,259.97

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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.