Home / 223,944.38-309,043.25-123,342.38

Finding the Fourth Proportional to 223,944.38, 309,043.25 and 123,342.38

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Solution

The fourth proportional to 223,944.38, 309,043.25 and 123,342.38 is: 170,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,944.38 : 309,043.25 = 123,342.38 : x
  2. Step 2: Convert to fraction form
    223,944.38/309,043.25 = 123,342.38/x
  3. Step 3: Cross multiply
    223,944.38x = 309,043.25 × 123,342.38
  4. Step 4: Simplify right side
    223,944.38x = 38,118,127,816.01
  5. Step 5: Solve for x
    x = 38,118,127,816.01/223,944.38
  6. Step 6: Final answer
    x = 170,212.48

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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.