Home / 223,827.24-308,872.26-123,218.76

Finding the Fourth Proportional to 223,827.24, 308,872.26 and 123,218.76

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Solution

The fourth proportional to 223,827.24, 308,872.26 and 123,218.76 is: 170,036.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,827.24 : 308,872.26 = 123,218.76 : x
  2. Step 2: Convert to fraction form
    223,827.24/308,872.26 = 123,218.76/x
  3. Step 3: Cross multiply
    223,827.24x = 308,872.26 × 123,218.76
  4. Step 4: Simplify right side
    223,827.24x = 38,058,856,875.60
  5. Step 5: Solve for x
    x = 38,058,856,875.60/223,827.24
  6. Step 6: Final answer
    x = 170,036.75

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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.