Home / 195,075.84-269,231.36-112,288

Finding the Fourth Proportional to 195,075.84, 269,231.36 and 112,288

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Solution

The fourth proportional to 195,075.84, 269,231.36 and 112,288 is: 154,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,075.84 : 269,231.36 = 112,288 : x
  2. Step 2: Convert to fraction form
    195,075.84/269,231.36 = 112,288/x
  3. Step 3: Cross multiply
    195,075.84x = 269,231.36 × 112,288
  4. Step 4: Simplify right side
    195,075.84x = 30,231,450,951.68
  5. Step 5: Solve for x
    x = 30,231,450,951.68/195,075.84
  6. Step 6: Final answer
    x = 154,972.81

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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.