Home / 131,834.75-197,821.85-71,906.49

Finding the Fourth Proportional to 131,834.75, 197,821.85 and 71,906.49

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Solution

The fourth proportional to 131,834.75, 197,821.85 and 71,906.49 is: 107,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,834.75 : 197,821.85 = 71,906.49 : x
  2. Step 2: Convert to fraction form
    131,834.75/197,821.85 = 71,906.49/x
  3. Step 3: Cross multiply
    131,834.75x = 197,821.85 × 71,906.49
  4. Step 4: Simplify right side
    131,834.75x = 14,224,674,878.81
  5. Step 5: Solve for x
    x = 14,224,674,878.81/131,834.75
  6. Step 6: Final answer
    x = 107,897.77

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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.