Home / 169,197.10-253,786.31-56,865.72

Finding the Fourth Proportional to 169,197.10, 253,786.31 and 56,865.72

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Solution

The fourth proportional to 169,197.10, 253,786.31 and 56,865.72 is: 85,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,197.10 : 253,786.31 = 56,865.72 : x
  2. Step 2: Convert to fraction form
    169,197.10/253,786.31 = 56,865.72/x
  3. Step 3: Cross multiply
    169,197.10x = 253,786.31 × 56,865.72
  4. Step 4: Simplify right side
    169,197.10x = 14,431,739,691.03
  5. Step 5: Solve for x
    x = 14,431,739,691.03/169,197.10
  6. Step 6: Final answer
    x = 85,295.43

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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.