Home / 199,028.32-274,678.48-148,639.84

Finding the Fourth Proportional to 199,028.32, 274,678.48 and 148,639.84

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Solution

The fourth proportional to 199,028.32, 274,678.48 and 148,639.84 is: 205,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,028.32 : 274,678.48 = 148,639.84 : x
  2. Step 2: Convert to fraction form
    199,028.32/274,678.48 = 148,639.84/x
  3. Step 3: Cross multiply
    199,028.32x = 274,678.48 × 148,639.84
  4. Step 4: Simplify right side
    199,028.32x = 40,828,165,318.64
  5. Step 5: Solve for x
    x = 40,828,165,318.64/199,028.32
  6. Step 6: Final answer
    x = 205,137.47

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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.