Home / 237,450.71-327,682.52-128,556.20

Finding the Fourth Proportional to 237,450.71, 327,682.52 and 128,556.20

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Solution

The fourth proportional to 237,450.71, 327,682.52 and 128,556.20 is: 177,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,450.71 : 327,682.52 = 128,556.20 : x
  2. Step 2: Convert to fraction form
    237,450.71/327,682.52 = 128,556.20/x
  3. Step 3: Cross multiply
    237,450.71x = 327,682.52 × 128,556.20
  4. Step 4: Simplify right side
    237,450.71x = 42,125,619,577.62
  5. Step 5: Solve for x
    x = 42,125,619,577.62/237,450.71
  6. Step 6: Final answer
    x = 177,407.85

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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.