Home / 223,929.36-309,008.34-123,327.36

Finding the Fourth Proportional to 223,929.36, 309,008.34 and 123,327.36

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Solution

The fourth proportional to 223,929.36, 309,008.34 and 123,327.36 is: 170,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,929.36 : 309,008.34 = 123,327.36 : x
  2. Step 2: Convert to fraction form
    223,929.36/309,008.34 = 123,327.36/x
  3. Step 3: Cross multiply
    223,929.36x = 309,008.34 × 123,327.36
  4. Step 4: Simplify right side
    223,929.36x = 38,109,182,790.18
  5. Step 5: Solve for x
    x = 38,109,182,790.18/223,929.36
  6. Step 6: Final answer
    x = 170,183.95

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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.