Home / 126,084.86-173,757.82-90,212.39

Finding the Fourth Proportional to 126,084.86, 173,757.82 and 90,212.39

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Solution

The fourth proportional to 126,084.86, 173,757.82 and 90,212.39 is: 124,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,084.86 : 173,757.82 = 90,212.39 : x
  2. Step 2: Convert to fraction form
    126,084.86/173,757.82 = 90,212.39/x
  3. Step 3: Cross multiply
    126,084.86x = 173,757.82 × 90,212.39
  4. Step 4: Simplify right side
    126,084.86x = 15,675,108,223.39
  5. Step 5: Solve for x
    x = 15,675,108,223.39/126,084.86
  6. Step 6: Final answer
    x = 124,321.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.