Home / 254,367.07-381,558.74-127,938.31

Finding the Fourth Proportional to 254,367.07, 381,558.74 and 127,938.31

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Solution

The fourth proportional to 254,367.07, 381,558.74 and 127,938.31 is: 191,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,367.07 : 381,558.74 = 127,938.31 : x
  2. Step 2: Convert to fraction form
    254,367.07/381,558.74 = 127,938.31/x
  3. Step 3: Cross multiply
    254,367.07x = 381,558.74 × 127,938.31
  4. Step 4: Simplify right side
    254,367.07x = 48,815,980,361.33
  5. Step 5: Solve for x
    x = 48,815,980,361.33/254,367.07
  6. Step 6: Final answer
    x = 191,911.56

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1.5x scale

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.