Home / 254,076.32-381,342.90-135,848.72

Finding the Fourth Proportional to 254,076.32, 381,342.90 and 135,848.72

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Solution

The fourth proportional to 254,076.32, 381,342.90 and 135,848.72 is: 203,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,076.32 : 381,342.90 = 135,848.72 : x
  2. Step 2: Convert to fraction form
    254,076.32/381,342.90 = 135,848.72/x
  3. Step 3: Cross multiply
    254,076.32x = 381,342.90 × 135,848.72
  4. Step 4: Simplify right side
    254,076.32x = 51,804,944,846.09
  5. Step 5: Solve for x
    x = 51,804,944,846.09/254,076.32
  6. Step 6: Final answer
    x = 203,895.21

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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.