Home / 166,166.16-229,308.13-90,714.66

Finding the Fourth Proportional to 166,166.16, 229,308.13 and 90,714.66

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Solution

The fourth proportional to 166,166.16, 229,308.13 and 90,714.66 is: 125,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,166.16 : 229,308.13 = 90,714.66 : x
  2. Step 2: Convert to fraction form
    166,166.16/229,308.13 = 90,714.66/x
  3. Step 3: Cross multiply
    166,166.16x = 229,308.13 × 90,714.66
  4. Step 4: Simplify right side
    166,166.16x = 20,801,609,048.19
  5. Step 5: Solve for x
    x = 20,801,609,048.19/166,166.16
  6. Step 6: Final answer
    x = 125,185.59

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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.