Home / 83,291.21-124,936-24,126.38

Finding the Fourth Proportional to 83,291.21, 124,936 and 24,126.38

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Solution

The fourth proportional to 83,291.21, 124,936 and 24,126.38 is: 36,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,291.21 : 124,936 = 24,126.38 : x
  2. Step 2: Convert to fraction form
    83,291.21/124,936 = 24,126.38/x
  3. Step 3: Cross multiply
    83,291.21x = 124,936 × 24,126.38
  4. Step 4: Simplify right side
    83,291.21x = 3,014,253,411.68
  5. Step 5: Solve for x
    x = 3,014,253,411.68/83,291.21
  6. Step 6: Final answer
    x = 36,189.33

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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.