Home / 646,091.35-969,136.96-172,764.41

Finding the Fourth Proportional to 646,091.35, 969,136.96 and 172,764.41

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Solution

The fourth proportional to 646,091.35, 969,136.96 and 172,764.41 is: 259,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,091.35 : 969,136.96 = 172,764.41 : x
  2. Step 2: Convert to fraction form
    646,091.35/969,136.96 = 172,764.41/x
  3. Step 3: Cross multiply
    646,091.35x = 969,136.96 × 172,764.41
  4. Step 4: Simplify right side
    646,091.35x = 167,432,369,826.00
  5. Step 5: Solve for x
    x = 167,432,369,826.00/646,091.35
  6. Step 6: Final answer
    x = 259,146.59

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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.