Home / 223,688.96-308,679.04-123,067.52

Finding the Fourth Proportional to 223,688.96, 308,679.04 and 123,067.52

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Solution

The fourth proportional to 223,688.96, 308,679.04 and 123,067.52 is: 169,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,688.96 : 308,679.04 = 123,067.52 : x
  2. Step 2: Convert to fraction form
    223,688.96/308,679.04 = 123,067.52/x
  3. Step 3: Cross multiply
    223,688.96x = 308,679.04 × 123,067.52
  4. Step 4: Simplify right side
    223,688.96x = 37,988,363,928.78
  5. Step 5: Solve for x
    x = 37,988,363,928.78/223,688.96
  6. Step 6: Final answer
    x = 169,826.73

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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.