Home / 127,174.25-190,759.42-42,993.54

Finding the Fourth Proportional to 127,174.25, 190,759.42 and 42,993.54

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Solution

The fourth proportional to 127,174.25, 190,759.42 and 42,993.54 is: 64,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,174.25 : 190,759.42 = 42,993.54 : x
  2. Step 2: Convert to fraction form
    127,174.25/190,759.42 = 42,993.54/x
  3. Step 3: Cross multiply
    127,174.25x = 190,759.42 × 42,993.54
  4. Step 4: Simplify right side
    127,174.25x = 8,201,422,646.66
  5. Step 5: Solve for x
    x = 8,201,422,646.66/127,174.25
  6. Step 6: Final answer
    x = 64,489.65

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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.