Home / 254,021.94-381,043.44-104,156.55

Finding the Fourth Proportional to 254,021.94, 381,043.44 and 104,156.55

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Solution

The fourth proportional to 254,021.94, 381,043.44 and 104,156.55 is: 156,239.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,021.94 : 381,043.44 = 104,156.55 : x
  2. Step 2: Convert to fraction form
    254,021.94/381,043.44 = 104,156.55/x
  3. Step 3: Cross multiply
    254,021.94x = 381,043.44 × 104,156.55
  4. Step 4: Simplify right side
    254,021.94x = 39,688,170,110.53
  5. Step 5: Solve for x
    x = 39,688,170,110.53/254,021.94
  6. Step 6: Final answer
    x = 156,239.14

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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.