Home / 166,285.25-229,478.69-90,838.61

Finding the Fourth Proportional to 166,285.25, 229,478.69 and 90,838.61

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Solution

The fourth proportional to 166,285.25, 229,478.69 and 90,838.61 is: 125,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,285.25 : 229,478.69 = 90,838.61 : x
  2. Step 2: Convert to fraction form
    166,285.25/229,478.69 = 90,838.61/x
  3. Step 3: Cross multiply
    166,285.25x = 229,478.69 × 90,838.61
  4. Step 4: Simplify right side
    166,285.25x = 20,845,524,770.03
  5. Step 5: Solve for x
    x = 20,845,524,770.03/166,285.25
  6. Step 6: Final answer
    x = 125,360.04

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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.