Home / 250,261.72-345,361.32-137,086.36

Finding the Fourth Proportional to 250,261.72, 345,361.32 and 137,086.36

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Solution

The fourth proportional to 250,261.72, 345,361.32 and 137,086.36 is: 189,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,261.72 : 345,361.32 = 137,086.36 : x
  2. Step 2: Convert to fraction form
    250,261.72/345,361.32 = 137,086.36/x
  3. Step 3: Cross multiply
    250,261.72x = 345,361.32 × 137,086.36
  4. Step 4: Simplify right side
    250,261.72x = 47,344,326,243.60
  5. Step 5: Solve for x
    x = 47,344,326,243.60/250,261.72
  6. Step 6: Final answer
    x = 189,179.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.