Home / 169,449.32-253,996.62-57,090.72

Finding the Fourth Proportional to 169,449.32, 253,996.62 and 57,090.72

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Solution

The fourth proportional to 169,449.32, 253,996.62 and 57,090.72 is: 85,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,449.32 : 253,996.62 = 57,090.72 : x
  2. Step 2: Convert to fraction form
    169,449.32/253,996.62 = 57,090.72/x
  3. Step 3: Cross multiply
    169,449.32x = 253,996.62 × 57,090.72
  4. Step 4: Simplify right side
    169,449.32x = 14,500,849,913.37
  5. Step 5: Solve for x
    x = 14,500,849,913.37/169,449.32
  6. Step 6: Final answer
    x = 85,576.32

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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.