Home / 201,919.36-278,459.72-159,579.04

Finding the Fourth Proportional to 201,919.36, 278,459.72 and 159,579.04

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Solution

The fourth proportional to 201,919.36, 278,459.72 and 159,579.04 is: 220,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,919.36 : 278,459.72 = 159,579.04 : x
  2. Step 2: Convert to fraction form
    201,919.36/278,459.72 = 159,579.04/x
  3. Step 3: Cross multiply
    201,919.36x = 278,459.72 × 159,579.04
  4. Step 4: Simplify right side
    201,919.36x = 44,436,334,796.27
  5. Step 5: Solve for x
    x = 44,436,334,796.27/201,919.36
  6. Step 6: Final answer
    x = 220,069.71

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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.