Home / 196,245.70-294,368.55-71,635.30

Finding the Fourth Proportional to 196,245.70, 294,368.55 and 71,635.30

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Solution

The fourth proportional to 196,245.70, 294,368.55 and 71,635.30 is: 107,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,245.70 : 294,368.55 = 71,635.30 : x
  2. Step 2: Convert to fraction form
    196,245.70/294,368.55 = 71,635.30/x
  3. Step 3: Cross multiply
    196,245.70x = 294,368.55 × 71,635.30
  4. Step 4: Simplify right side
    196,245.70x = 21,087,179,389.82
  5. Step 5: Solve for x
    x = 21,087,179,389.82/196,245.70
  6. Step 6: Final answer
    x = 107,452.95

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1.5x scale

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.