Home / 223,467.10-308,390.68-121,499.42

Finding the Fourth Proportional to 223,467.10, 308,390.68 and 121,499.42

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Solution

The fourth proportional to 223,467.10, 308,390.68 and 121,499.42 is: 167,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,467.10 : 308,390.68 = 121,499.42 : x
  2. Step 2: Convert to fraction form
    223,467.10/308,390.68 = 121,499.42/x
  3. Step 3: Cross multiply
    223,467.10x = 308,390.68 × 121,499.42
  4. Step 4: Simplify right side
    223,467.10x = 37,469,288,753.41
  5. Step 5: Solve for x
    x = 37,469,288,753.41/223,467.10
  6. Step 6: Final answer
    x = 167,672.51

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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.