Home / 131,906.32-182,039.64-74,525.72

Finding the Fourth Proportional to 131,906.32, 182,039.64 and 74,525.72

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Solution

The fourth proportional to 131,906.32, 182,039.64 and 74,525.72 is: 102,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,906.32 : 182,039.64 = 74,525.72 : x
  2. Step 2: Convert to fraction form
    131,906.32/182,039.64 = 74,525.72/x
  3. Step 3: Cross multiply
    131,906.32x = 182,039.64 × 74,525.72
  4. Step 4: Simplify right side
    131,906.32x = 13,566,635,239.54
  5. Step 5: Solve for x
    x = 13,566,635,239.54/131,906.32
  6. Step 6: Final answer
    x = 102,850.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.