Home / 131,940.06-197,835.11-51,934.67

Finding the Fourth Proportional to 131,940.06, 197,835.11 and 51,934.67

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Solution

The fourth proportional to 131,940.06, 197,835.11 and 51,934.67 is: 77,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,940.06 : 197,835.11 = 51,934.67 : x
  2. Step 2: Convert to fraction form
    131,940.06/197,835.11 = 51,934.67/x
  3. Step 3: Cross multiply
    131,940.06x = 197,835.11 × 51,934.67
  4. Step 4: Simplify right side
    131,940.06x = 10,274,501,152.26
  5. Step 5: Solve for x
    x = 10,274,501,152.26/131,940.06
  6. Step 6: Final answer
    x = 77,872.49

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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.