Home / 166,427.55-229,390.29-126,128.43

Finding the Fourth Proportional to 166,427.55, 229,390.29 and 126,128.43

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Solution

The fourth proportional to 166,427.55, 229,390.29 and 126,128.43 is: 173,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,427.55 : 229,390.29 = 126,128.43 : x
  2. Step 2: Convert to fraction form
    166,427.55/229,390.29 = 126,128.43/x
  3. Step 3: Cross multiply
    166,427.55x = 229,390.29 × 126,128.43
  4. Step 4: Simplify right side
    166,427.55x = 28,932,637,134.94
  5. Step 5: Solve for x
    x = 28,932,637,134.94/166,427.55
  6. Step 6: Final answer
    x = 173,845.24

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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.