Home / 168,301.64-252,466.38-121,136.28

Finding the Fourth Proportional to 168,301.64, 252,466.38 and 121,136.28

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Solution

The fourth proportional to 168,301.64, 252,466.38 and 121,136.28 is: 181,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,301.64 : 252,466.38 = 121,136.28 : x
  2. Step 2: Convert to fraction form
    168,301.64/252,466.38 = 121,136.28/x
  3. Step 3: Cross multiply
    168,301.64x = 252,466.38 × 121,136.28
  4. Step 4: Simplify right side
    168,301.64x = 30,582,838,098.27
  5. Step 5: Solve for x
    x = 30,582,838,098.27/168,301.64
  6. Step 6: Final answer
    x = 181,714.44

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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.