Home / 254,016.14-381,038.78-76,504.64

Finding the Fourth Proportional to 254,016.14, 381,038.78 and 76,504.64

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Solution

The fourth proportional to 254,016.14, 381,038.78 and 76,504.64 is: 114,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,016.14 : 381,038.78 = 76,504.64 : x
  2. Step 2: Convert to fraction form
    254,016.14/381,038.78 = 76,504.64/x
  3. Step 3: Cross multiply
    254,016.14x = 381,038.78 × 76,504.64
  4. Step 4: Simplify right side
    254,016.14x = 29,151,232,976.01
  5. Step 5: Solve for x
    x = 29,151,232,976.01/254,016.14
  6. Step 6: Final answer
    x = 114,761.34

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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.