Home / 281,826.20-388,923.36-160,983.56

Finding the Fourth Proportional to 281,826.20, 388,923.36 and 160,983.56

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Solution

The fourth proportional to 281,826.20, 388,923.36 and 160,983.56 is: 222,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,826.20 : 388,923.36 = 160,983.56 : x
  2. Step 2: Convert to fraction form
    281,826.20/388,923.36 = 160,983.56/x
  3. Step 3: Cross multiply
    281,826.20x = 388,923.36 × 160,983.56
  4. Step 4: Simplify right side
    281,826.20x = 62,610,267,059.96
  5. Step 5: Solve for x
    x = 62,610,267,059.96/281,826.20
  6. Step 6: Final answer
    x = 222,159.14

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1.5x scale

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.