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Finding the Fourth Proportional to 202,669.37, 279,668.93 and 112,020.24

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Solution

The fourth proportional to 202,669.37, 279,668.93 and 112,020.24 is: 154,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,669.37 : 279,668.93 = 112,020.24 : x
  2. Step 2: Convert to fraction form
    202,669.37/279,668.93 = 112,020.24/x
  3. Step 3: Cross multiply
    202,669.37x = 279,668.93 × 112,020.24
  4. Step 4: Simplify right side
    202,669.37x = 31,328,580,099.04
  5. Step 5: Solve for x
    x = 31,328,580,099.04/202,669.37
  6. Step 6: Final answer
    x = 154,579.75

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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.