Home / 131,092.98-180,922.19-80,135.54

Finding the Fourth Proportional to 131,092.98, 180,922.19 and 80,135.54

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Solution

The fourth proportional to 131,092.98, 180,922.19 and 80,135.54 is: 110,595.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,092.98 : 180,922.19 = 80,135.54 : x
  2. Step 2: Convert to fraction form
    131,092.98/180,922.19 = 80,135.54/x
  3. Step 3: Cross multiply
    131,092.98x = 180,922.19 × 80,135.54
  4. Step 4: Simplify right side
    131,092.98x = 14,498,296,088.34
  5. Step 5: Solve for x
    x = 14,498,296,088.34/131,092.98
  6. Step 6: Final answer
    x = 110,595.52

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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.