Home / 156,467.65-234,743.60-80,524.82

Finding the Fourth Proportional to 156,467.65, 234,743.60 and 80,524.82

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Solution

The fourth proportional to 156,467.65, 234,743.60 and 80,524.82 is: 120,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,467.65 : 234,743.60 = 80,524.82 : x
  2. Step 2: Convert to fraction form
    156,467.65/234,743.60 = 80,524.82/x
  3. Step 3: Cross multiply
    156,467.65x = 234,743.60 × 80,524.82
  4. Step 4: Simplify right side
    156,467.65x = 18,902,686,136.15
  5. Step 5: Solve for x
    x = 18,902,686,136.15/156,467.65
  6. Step 6: Final answer
    x = 120,808.91

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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.