Home / 166,215.87-229,377.96-90,764.37

Finding the Fourth Proportional to 166,215.87, 229,377.96 and 90,764.37

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Solution

The fourth proportional to 166,215.87, 229,377.96 and 90,764.37 is: 125,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,215.87 : 229,377.96 = 90,764.37 : x
  2. Step 2: Convert to fraction form
    166,215.87/229,377.96 = 90,764.37/x
  3. Step 3: Cross multiply
    166,215.87x = 229,377.96 × 90,764.37
  4. Step 4: Simplify right side
    166,215.87x = 20,819,346,031.29
  5. Step 5: Solve for x
    x = 20,819,346,031.29/166,215.87
  6. Step 6: Final answer
    x = 125,254.86

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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.