Home / 271,170.21-406,757.75-71,518.98

Finding the Fourth Proportional to 271,170.21, 406,757.75 and 71,518.98

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Solution

The fourth proportional to 271,170.21, 406,757.75 and 71,518.98 is: 107,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,170.21 : 406,757.75 = 71,518.98 : x
  2. Step 2: Convert to fraction form
    271,170.21/406,757.75 = 71,518.98/x
  3. Step 3: Cross multiply
    271,170.21x = 406,757.75 × 71,518.98
  4. Step 4: Simplify right side
    271,170.21x = 29,090,899,029.50
  5. Step 5: Solve for x
    x = 29,090,899,029.50/271,170.21
  6. Step 6: Final answer
    x = 107,279.11

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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.