Home / 170,816.80-256,225.20-107,831.20

Finding the Fourth Proportional to 170,816.80, 256,225.20 and 107,831.20

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Solution

The fourth proportional to 170,816.80, 256,225.20 and 107,831.20 is: 161,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,816.80 : 256,225.20 = 107,831.20 : x
  2. Step 2: Convert to fraction form
    170,816.80/256,225.20 = 107,831.20/x
  3. Step 3: Cross multiply
    170,816.80x = 256,225.20 × 107,831.20
  4. Step 4: Simplify right side
    170,816.80x = 27,629,070,786.24
  5. Step 5: Solve for x
    x = 27,629,070,786.24/170,816.80
  6. Step 6: Final answer
    x = 161,746.80

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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.