Home / 166,119.16-229,241.14-90,668.20

Finding the Fourth Proportional to 166,119.16, 229,241.14 and 90,668.20

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Solution

The fourth proportional to 166,119.16, 229,241.14 and 90,668.20 is: 125,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,119.16 : 229,241.14 = 90,668.20 : x
  2. Step 2: Convert to fraction form
    166,119.16/229,241.14 = 90,668.20/x
  3. Step 3: Cross multiply
    166,119.16x = 229,241.14 × 90,668.20
  4. Step 4: Simplify right side
    166,119.16x = 20,784,881,529.75
  5. Step 5: Solve for x
    x = 20,784,881,529.75/166,119.16
  6. Step 6: Final answer
    x = 125,120.31

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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.