Home / 166,837.28-230,234.30-90,354.62

Finding the Fourth Proportional to 166,837.28, 230,234.30 and 90,354.62

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Solution

The fourth proportional to 166,837.28, 230,234.30 and 90,354.62 is: 124,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,837.28 : 230,234.30 = 90,354.62 : x
  2. Step 2: Convert to fraction form
    166,837.28/230,234.30 = 90,354.62/x
  3. Step 3: Cross multiply
    166,837.28x = 230,234.30 × 90,354.62
  4. Step 4: Simplify right side
    166,837.28x = 20,802,733,488.94
  5. Step 5: Solve for x
    x = 20,802,733,488.94/166,837.28
  6. Step 6: Final answer
    x = 124,688.76

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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.