Home / 254,156.13-381,222.65-111,963.36

Finding the Fourth Proportional to 254,156.13, 381,222.65 and 111,963.36

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Solution

The fourth proportional to 254,156.13, 381,222.65 and 111,963.36 is: 167,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,156.13 : 381,222.65 = 111,963.36 : x
  2. Step 2: Convert to fraction form
    254,156.13/381,222.65 = 111,963.36/x
  3. Step 3: Cross multiply
    254,156.13x = 381,222.65 × 111,963.36
  4. Step 4: Simplify right side
    254,156.13x = 42,682,970,511.60
  5. Step 5: Solve for x
    x = 42,682,970,511.60/254,156.13
  6. Step 6: Final answer
    x = 167,939.96

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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.