Home / 68,057.01-102,090.38-18,136.85

Finding the Fourth Proportional to 68,057.01, 102,090.38 and 18,136.85

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Solution

The fourth proportional to 68,057.01, 102,090.38 and 18,136.85 is: 27,206.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,057.01 : 102,090.38 = 18,136.85 : x
  2. Step 2: Convert to fraction form
    68,057.01/102,090.38 = 18,136.85/x
  3. Step 3: Cross multiply
    68,057.01x = 102,090.38 × 18,136.85
  4. Step 4: Simplify right side
    68,057.01x = 1,851,597,307.37
  5. Step 5: Solve for x
    x = 1,851,597,307.37/68,057.01
  6. Step 6: Final answer
    x = 27,206.56

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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.