Home / 172,498.36-237,960.64-100,831.56

Finding the Fourth Proportional to 172,498.36, 237,960.64 and 100,831.56

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Solution

The fourth proportional to 172,498.36, 237,960.64 and 100,831.56 is: 139,096.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,498.36 : 237,960.64 = 100,831.56 : x
  2. Step 2: Convert to fraction form
    172,498.36/237,960.64 = 100,831.56/x
  3. Step 3: Cross multiply
    172,498.36x = 237,960.64 × 100,831.56
  4. Step 4: Simplify right side
    172,498.36x = 23,993,942,549.80
  5. Step 5: Solve for x
    x = 23,993,942,549.80/172,498.36
  6. Step 6: Final answer
    x = 139,096.64

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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.