Home / 171,516.72-257,262.66-57,665.28

Finding the Fourth Proportional to 171,516.72, 257,262.66 and 57,665.28

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Solution

The fourth proportional to 171,516.72, 257,262.66 and 57,665.28 is: 86,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,516.72 : 257,262.66 = 57,665.28 : x
  2. Step 2: Convert to fraction form
    171,516.72/257,262.66 = 57,665.28/x
  3. Step 3: Cross multiply
    171,516.72x = 257,262.66 × 57,665.28
  4. Step 4: Simplify right side
    171,516.72x = 14,835,123,322.44
  5. Step 5: Solve for x
    x = 14,835,123,322.44/171,516.72
  6. Step 6: Final answer
    x = 86,493.74

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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.