Home / 166,274.48-229,390.85-122,771.30

Finding the Fourth Proportional to 166,274.48, 229,390.85 and 122,771.30

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Solution

The fourth proportional to 166,274.48, 229,390.85 and 122,771.30 is: 169,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,274.48 : 229,390.85 = 122,771.30 : x
  2. Step 2: Convert to fraction form
    166,274.48/229,390.85 = 122,771.30/x
  3. Step 3: Cross multiply
    166,274.48x = 229,390.85 × 122,771.30
  4. Step 4: Simplify right side
    166,274.48x = 28,162,612,022.58
  5. Step 5: Solve for x
    x = 28,162,612,022.58/166,274.48
  6. Step 6: Final answer
    x = 169,374.23

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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.