Home / 146,556.42-202,236.39-86,129.34

Finding the Fourth Proportional to 146,556.42, 202,236.39 and 86,129.34

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Solution

The fourth proportional to 146,556.42, 202,236.39 and 86,129.34 is: 118,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,556.42 : 202,236.39 = 86,129.34 : x
  2. Step 2: Convert to fraction form
    146,556.42/202,236.39 = 86,129.34/x
  3. Step 3: Cross multiply
    146,556.42x = 202,236.39 × 86,129.34
  4. Step 4: Simplify right side
    146,556.42x = 17,418,486,794.68
  5. Step 5: Solve for x
    x = 17,418,486,794.68/146,556.42
  6. Step 6: Final answer
    x = 118,851.75

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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.