Home / 171,148.66-256,613.64-82,225.24

Finding the Fourth Proportional to 171,148.66, 256,613.64 and 82,225.24

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Solution

The fourth proportional to 171,148.66, 256,613.64 and 82,225.24 is: 123,285.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,148.66 : 256,613.64 = 82,225.24 : x
  2. Step 2: Convert to fraction form
    171,148.66/256,613.64 = 82,225.24/x
  3. Step 3: Cross multiply
    171,148.66x = 256,613.64 × 82,225.24
  4. Step 4: Simplify right side
    171,148.66x = 21,100,118,136.27
  5. Step 5: Solve for x
    x = 21,100,118,136.27/171,148.66
  6. Step 6: Final answer
    x = 123,285.32

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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.