Home / 270,731.92-406,136.76-83,758

Finding the Fourth Proportional to 270,731.92, 406,136.76 and 83,758

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Solution

The fourth proportional to 270,731.92, 406,136.76 and 83,758 is: 125,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,731.92 : 406,136.76 = 83,758 : x
  2. Step 2: Convert to fraction form
    270,731.92/406,136.76 = 83,758/x
  3. Step 3: Cross multiply
    270,731.92x = 406,136.76 × 83,758
  4. Step 4: Simplify right side
    270,731.92x = 34,017,202,744.08
  5. Step 5: Solve for x
    x = 34,017,202,744.08/270,731.92
  6. Step 6: Final answer
    x = 125,649.03

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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.