Home / 166,114.14-229,234.26-90,663.18

Finding the Fourth Proportional to 166,114.14, 229,234.26 and 90,663.18

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Solution

The fourth proportional to 166,114.14, 229,234.26 and 90,663.18 is: 125,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,114.14 : 229,234.26 = 90,663.18 : x
  2. Step 2: Convert to fraction form
    166,114.14/229,234.26 = 90,663.18/x
  3. Step 3: Cross multiply
    166,114.14x = 229,234.26 × 90,663.18
  4. Step 4: Simplify right side
    166,114.14x = 20,783,106,976.55
  5. Step 5: Solve for x
    x = 20,783,106,976.55/166,114.14
  6. Step 6: Final answer
    x = 125,113.41

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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.