Home / 166,018-229,104.84-90,566.80

Finding the Fourth Proportional to 166,018, 229,104.84 and 90,566.80

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Solution

The fourth proportional to 166,018, 229,104.84 and 90,566.80 is: 124,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,018 : 229,104.84 = 90,566.80 : x
  2. Step 2: Convert to fraction form
    166,018/229,104.84 = 90,566.80/x
  3. Step 3: Cross multiply
    166,018x = 229,104.84 × 90,566.80
  4. Step 4: Simplify right side
    166,018x = 20,749,292,223.31
  5. Step 5: Solve for x
    x = 20,749,292,223.31/166,018
  6. Step 6: Final answer
    x = 124,982.18

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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.