Home / 201,928.64-278,660.24-110,047.76

Finding the Fourth Proportional to 201,928.64, 278,660.24 and 110,047.76

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Solution

The fourth proportional to 201,928.64, 278,660.24 and 110,047.76 is: 151,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,928.64 : 278,660.24 = 110,047.76 : x
  2. Step 2: Convert to fraction form
    201,928.64/278,660.24 = 110,047.76/x
  3. Step 3: Cross multiply
    201,928.64x = 278,660.24 × 110,047.76
  4. Step 4: Simplify right side
    201,928.64x = 30,665,936,184.83
  5. Step 5: Solve for x
    x = 30,665,936,184.83/201,928.64
  6. Step 6: Final answer
    x = 151,865.21

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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.