Home / 251,489.88-377,153.94-82,971.96

Finding the Fourth Proportional to 251,489.88, 377,153.94 and 82,971.96

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Solution

The fourth proportional to 251,489.88, 377,153.94 and 82,971.96 is: 124,431.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,489.88 : 377,153.94 = 82,971.96 : x
  2. Step 2: Convert to fraction form
    251,489.88/377,153.94 = 82,971.96/x
  3. Step 3: Cross multiply
    251,489.88x = 377,153.94 × 82,971.96
  4. Step 4: Simplify right side
    251,489.88x = 31,293,201,623.52
  5. Step 5: Solve for x
    x = 31,293,201,623.52/251,489.88
  6. Step 6: Final answer
    x = 124,431.26

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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.