Home / 146,185.35-201,739.09-85,799.54

Finding the Fourth Proportional to 146,185.35, 201,739.09 and 85,799.54

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Solution

The fourth proportional to 146,185.35, 201,739.09 and 85,799.54 is: 118,405.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,185.35 : 201,739.09 = 85,799.54 : x
  2. Step 2: Convert to fraction form
    146,185.35/201,739.09 = 85,799.54/x
  3. Step 3: Cross multiply
    146,185.35x = 201,739.09 × 85,799.54
  4. Step 4: Simplify right side
    146,185.35x = 17,309,121,122.02
  5. Step 5: Solve for x
    x = 17,309,121,122.02/146,185.35
  6. Step 6: Final answer
    x = 118,405.31

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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.