Home / 164,766.42-227,289.96-100,255.32

Finding the Fourth Proportional to 164,766.42, 227,289.96 and 100,255.32

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Solution

The fourth proportional to 164,766.42, 227,289.96 and 100,255.32 is: 138,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,766.42 : 227,289.96 = 100,255.32 : x
  2. Step 2: Convert to fraction form
    164,766.42/227,289.96 = 100,255.32/x
  3. Step 3: Cross multiply
    164,766.42x = 227,289.96 × 100,255.32
  4. Step 4: Simplify right side
    164,766.42x = 22,787,027,672.59
  5. Step 5: Solve for x
    x = 22,787,027,672.59/164,766.42
  6. Step 6: Final answer
    x = 138,298.98

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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.