Home / 170,147.62-255,357.51-76,660.66

Finding the Fourth Proportional to 170,147.62, 255,357.51 and 76,660.66

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Solution

The fourth proportional to 170,147.62, 255,357.51 and 76,660.66 is: 115,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,147.62 : 255,357.51 = 76,660.66 : x
  2. Step 2: Convert to fraction form
    170,147.62/255,357.51 = 76,660.66/x
  3. Step 3: Cross multiply
    170,147.62x = 255,357.51 × 76,660.66
  4. Step 4: Simplify right side
    170,147.62x = 19,575,875,252.56
  5. Step 5: Solve for x
    x = 19,575,875,252.56/170,147.62
  6. Step 6: Final answer
    x = 115,052.30

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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.