Home / 169,160.33-253,039.23-128,874.49

Finding the Fourth Proportional to 169,160.33, 253,039.23 and 128,874.49

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Solution

The fourth proportional to 169,160.33, 253,039.23 and 128,874.49 is: 192,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,160.33 : 253,039.23 = 128,874.49 : x
  2. Step 2: Convert to fraction form
    169,160.33/253,039.23 = 128,874.49/x
  3. Step 3: Cross multiply
    169,160.33x = 253,039.23 × 128,874.49
  4. Step 4: Simplify right side
    169,160.33x = 32,610,301,083.64
  5. Step 5: Solve for x
    x = 32,610,301,083.64/169,160.33
  6. Step 6: Final answer
    x = 192,777.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.