Home / 172,831.06-260,180.26-155,451.21

Finding the Fourth Proportional to 172,831.06, 260,180.26 and 155,451.21

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Solution

The fourth proportional to 172,831.06, 260,180.26 and 155,451.21 is: 234,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,831.06 : 260,180.26 = 155,451.21 : x
  2. Step 2: Convert to fraction form
    172,831.06/260,180.26 = 155,451.21/x
  3. Step 3: Cross multiply
    172,831.06x = 260,180.26 × 155,451.21
  4. Step 4: Simplify right side
    172,831.06x = 40,445,336,235.11
  5. Step 5: Solve for x
    x = 40,445,336,235.11/172,831.06
  6. Step 6: Final answer
    x = 234,016.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.