Home / 173,930.21-261,063.66-84,036.15

Finding the Fourth Proportional to 173,930.21, 261,063.66 and 84,036.15

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Solution

The fourth proportional to 173,930.21, 261,063.66 and 84,036.15 is: 126,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,930.21 : 261,063.66 = 84,036.15 : x
  2. Step 2: Convert to fraction form
    173,930.21/261,063.66 = 84,036.15/x
  3. Step 3: Cross multiply
    173,930.21x = 261,063.66 × 84,036.15
  4. Step 4: Simplify right side
    173,930.21x = 21,938,786,185.43
  5. Step 5: Solve for x
    x = 21,938,786,185.43/173,930.21
  6. Step 6: Final answer
    x = 126,135.57

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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.