Home / 196,139.13-294,252.43-71,480.13

Finding the Fourth Proportional to 196,139.13, 294,252.43 and 71,480.13

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Solution

The fourth proportional to 196,139.13, 294,252.43 and 71,480.13 is: 107,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,139.13 : 294,252.43 = 71,480.13 : x
  2. Step 2: Convert to fraction form
    196,139.13/294,252.43 = 71,480.13/x
  3. Step 3: Cross multiply
    196,139.13x = 294,252.43 × 71,480.13
  4. Step 4: Simplify right side
    196,139.13x = 21,033,201,949.22
  5. Step 5: Solve for x
    x = 21,033,201,949.22/196,139.13
  6. Step 6: Final answer
    x = 107,236.13

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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.