Home / 196,158.70-270,696.45-115,589.62

Finding the Fourth Proportional to 196,158.70, 270,696.45 and 115,589.62

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Solution

The fourth proportional to 196,158.70, 270,696.45 and 115,589.62 is: 159,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,158.70 : 270,696.45 = 115,589.62 : x
  2. Step 2: Convert to fraction form
    196,158.70/270,696.45 = 115,589.62/x
  3. Step 3: Cross multiply
    196,158.70x = 270,696.45 × 115,589.62
  4. Step 4: Simplify right side
    196,158.70x = 31,289,699,790.85
  5. Step 5: Solve for x
    x = 31,289,699,790.85/196,158.70
  6. Step 6: Final answer
    x = 159,512.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.