Home / 168,872.22-253,339.20-56,541.42

Finding the Fourth Proportional to 168,872.22, 253,339.20 and 56,541.42

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Solution

The fourth proportional to 168,872.22, 253,339.20 and 56,541.42 is: 84,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,872.22 : 253,339.20 = 56,541.42 : x
  2. Step 2: Convert to fraction form
    168,872.22/253,339.20 = 56,541.42/x
  3. Step 3: Cross multiply
    168,872.22x = 253,339.20 × 56,541.42
  4. Step 4: Simplify right side
    168,872.22x = 14,324,158,109.66
  5. Step 5: Solve for x
    x = 14,324,158,109.66/168,872.22
  6. Step 6: Final answer
    x = 84,822.47

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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.