Home / 171,045.27-256,546.64-71,192.32

Finding the Fourth Proportional to 171,045.27, 256,546.64 and 71,192.32

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Solution

The fourth proportional to 171,045.27, 256,546.64 and 71,192.32 is: 106,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,045.27 : 256,546.64 = 71,192.32 : x
  2. Step 2: Convert to fraction form
    171,045.27/256,546.64 = 71,192.32/x
  3. Step 3: Cross multiply
    171,045.27x = 256,546.64 × 71,192.32
  4. Step 4: Simplify right side
    171,045.27x = 18,264,150,026.42
  5. Step 5: Solve for x
    x = 18,264,150,026.42/171,045.27
  6. Step 6: Final answer
    x = 106,779.63

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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.