Home / 166,423.14-229,663.62-90,971.64

Finding the Fourth Proportional to 166,423.14, 229,663.62 and 90,971.64

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Solution

The fourth proportional to 166,423.14, 229,663.62 and 90,971.64 is: 125,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,423.14 : 229,663.62 = 90,971.64 : x
  2. Step 2: Convert to fraction form
    166,423.14/229,663.62 = 90,971.64/x
  3. Step 3: Cross multiply
    166,423.14x = 229,663.62 × 90,971.64
  4. Step 4: Simplify right side
    166,423.14x = 20,892,876,159.74
  5. Step 5: Solve for x
    x = 20,892,876,159.74/166,423.14
  6. Step 6: Final answer
    x = 125,540.69

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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.