Home / 197,028.69-271,899.90-112,145.75

Finding the Fourth Proportional to 197,028.69, 271,899.90 and 112,145.75

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Solution

The fourth proportional to 197,028.69, 271,899.90 and 112,145.75 is: 154,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,028.69 : 271,899.90 = 112,145.75 : x
  2. Step 2: Convert to fraction form
    197,028.69/271,899.90 = 112,145.75/x
  3. Step 3: Cross multiply
    197,028.69x = 271,899.90 × 112,145.75
  4. Step 4: Simplify right side
    197,028.69x = 30,492,417,649.70
  5. Step 5: Solve for x
    x = 30,492,417,649.70/197,028.69
  6. Step 6: Final answer
    x = 154,761.31

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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.