Home / 170,477.43-255,660.81-80,506.23

Finding the Fourth Proportional to 170,477.43, 255,660.81 and 80,506.23

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Solution

The fourth proportional to 170,477.43, 255,660.81 and 80,506.23 is: 120,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,477.43 : 255,660.81 = 80,506.23 : x
  2. Step 2: Convert to fraction form
    170,477.43/255,660.81 = 80,506.23/x
  3. Step 3: Cross multiply
    170,477.43x = 255,660.81 × 80,506.23
  4. Step 4: Simplify right side
    170,477.43x = 20,582,287,971.85
  5. Step 5: Solve for x
    x = 20,582,287,971.85/170,477.43
  6. Step 6: Final answer
    x = 120,733.21

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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.