Home / 166,196.81-229,352.21-90,745.31

Finding the Fourth Proportional to 166,196.81, 229,352.21 and 90,745.31

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Solution

The fourth proportional to 166,196.81, 229,352.21 and 90,745.31 is: 125,228.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,196.81 : 229,352.21 = 90,745.31 : x
  2. Step 2: Convert to fraction form
    166,196.81/229,352.21 = 90,745.31/x
  3. Step 3: Cross multiply
    166,196.81x = 229,352.21 × 90,745.31
  4. Step 4: Simplify right side
    166,196.81x = 20,812,637,855.58
  5. Step 5: Solve for x
    x = 20,812,637,855.58/166,196.81
  6. Step 6: Final answer
    x = 125,228.86

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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.