Home / 196,136.13-294,247.94-71,477.13

Finding the Fourth Proportional to 196,136.13, 294,247.94 and 71,477.13

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Solution

The fourth proportional to 196,136.13, 294,247.94 and 71,477.13 is: 107,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,136.13 : 294,247.94 = 71,477.13 : x
  2. Step 2: Convert to fraction form
    196,136.13/294,247.94 = 71,477.13/x
  3. Step 3: Cross multiply
    196,136.13x = 294,247.94 × 71,477.13
  4. Step 4: Simplify right side
    196,136.13x = 21,031,998,259.61
  5. Step 5: Solve for x
    x = 21,031,998,259.61/196,136.13
  6. Step 6: Final answer
    x = 107,231.64

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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.