Home / 254,144.72-381,153.09-104,426.35

Finding the Fourth Proportional to 254,144.72, 381,153.09 and 104,426.35

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Solution

The fourth proportional to 254,144.72, 381,153.09 and 104,426.35 is: 156,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,144.72 : 381,153.09 = 104,426.35 : x
  2. Step 2: Convert to fraction form
    254,144.72/381,153.09 = 104,426.35/x
  3. Step 3: Cross multiply
    254,144.72x = 381,153.09 × 104,426.35
  4. Step 4: Simplify right side
    254,144.72x = 39,802,425,418.64
  5. Step 5: Solve for x
    x = 39,802,425,418.64/254,144.72
  6. Step 6: Final answer
    x = 156,613.23

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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.