Home / 201,450.57-278,007.03-110,808.87

Finding the Fourth Proportional to 201,450.57, 278,007.03 and 110,808.87

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Solution

The fourth proportional to 201,450.57, 278,007.03 and 110,808.87 is: 152,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,450.57 : 278,007.03 = 110,808.87 : x
  2. Step 2: Convert to fraction form
    201,450.57/278,007.03 = 110,808.87/x
  3. Step 3: Cross multiply
    201,450.57x = 278,007.03 × 110,808.87
  4. Step 4: Simplify right side
    201,450.57x = 30,805,644,846.36
  5. Step 5: Solve for x
    x = 30,805,644,846.36/201,450.57
  6. Step 6: Final answer
    x = 152,919.12

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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.