Home / 136,872.25-187,511.83-131,755.20

Finding the Fourth Proportional to 136,872.25, 187,511.83 and 131,755.20

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Solution

The fourth proportional to 136,872.25, 187,511.83 and 131,755.20 is: 180,501.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,872.25 : 187,511.83 = 131,755.20 : x
  2. Step 2: Convert to fraction form
    136,872.25/187,511.83 = 131,755.20/x
  3. Step 3: Cross multiply
    136,872.25x = 187,511.83 × 131,755.20
  4. Step 4: Simplify right side
    136,872.25x = 24,705,658,334.63
  5. Step 5: Solve for x
    x = 24,705,658,334.63/136,872.25
  6. Step 6: Final answer
    x = 180,501.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.