Home / 172,396.28-237,772.06-111,986.38

Finding the Fourth Proportional to 172,396.28, 237,772.06 and 111,986.38

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Solution

The fourth proportional to 172,396.28, 237,772.06 and 111,986.38 is: 154,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,396.28 : 237,772.06 = 111,986.38 : x
  2. Step 2: Convert to fraction form
    172,396.28/237,772.06 = 111,986.38/x
  3. Step 3: Cross multiply
    172,396.28x = 237,772.06 × 111,986.38
  4. Step 4: Simplify right side
    172,396.28x = 26,627,232,281.79
  5. Step 5: Solve for x
    x = 26,627,232,281.79/172,396.28
  6. Step 6: Final answer
    x = 154,453.63

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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.