Home / 166,340.89-229,311.42-118,511.20

Finding the Fourth Proportional to 166,340.89, 229,311.42 and 118,511.20

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Solution

The fourth proportional to 166,340.89, 229,311.42 and 118,511.20 is: 163,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,340.89 : 229,311.42 = 118,511.20 : x
  2. Step 2: Convert to fraction form
    166,340.89/229,311.42 = 118,511.20/x
  3. Step 3: Cross multiply
    166,340.89x = 229,311.42 × 118,511.20
  4. Step 4: Simplify right side
    166,340.89x = 27,175,972,288.96
  5. Step 5: Solve for x
    x = 27,175,972,288.96/166,340.89
  6. Step 6: Final answer
    x = 163,375.18

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1.5x scale

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.