Home / 203,467.14-280,798.65-112,831.38

Finding the Fourth Proportional to 203,467.14, 280,798.65 and 112,831.38

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Solution

The fourth proportional to 203,467.14, 280,798.65 and 112,831.38 is: 155,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,467.14 : 280,798.65 = 112,831.38 : x
  2. Step 2: Convert to fraction form
    203,467.14/280,798.65 = 112,831.38/x
  3. Step 3: Cross multiply
    203,467.14x = 280,798.65 × 112,831.38
  4. Step 4: Simplify right side
    203,467.14x = 31,682,899,181.64
  5. Step 5: Solve for x
    x = 31,682,899,181.64/203,467.14
  6. Step 6: Final answer
    x = 155,715.07

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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.