Home / 271,086.21-406,881.77-138,066.53

Finding the Fourth Proportional to 271,086.21, 406,881.77 and 138,066.53

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Solution

The fourth proportional to 271,086.21, 406,881.77 and 138,066.53 is: 207,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,086.21 : 406,881.77 = 138,066.53 : x
  2. Step 2: Convert to fraction form
    271,086.21/406,881.77 = 138,066.53/x
  3. Step 3: Cross multiply
    271,086.21x = 406,881.77 × 138,066.53
  4. Step 4: Simplify right side
    271,086.21x = 56,176,751,379.42
  5. Step 5: Solve for x
    x = 56,176,751,379.42/271,086.21
  6. Step 6: Final answer
    x = 207,228.36

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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.