Home / 201,455.37-278,015.22-110,814.75

Finding the Fourth Proportional to 201,455.37, 278,015.22 and 110,814.75

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Solution

The fourth proportional to 201,455.37, 278,015.22 and 110,814.75 is: 152,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,455.37 : 278,015.22 = 110,814.75 : x
  2. Step 2: Convert to fraction form
    201,455.37/278,015.22 = 110,814.75/x
  3. Step 3: Cross multiply
    201,455.37x = 278,015.22 × 110,814.75
  4. Step 4: Simplify right side
    201,455.37x = 30,808,187,100.50
  5. Step 5: Solve for x
    x = 30,808,187,100.50/201,455.37
  6. Step 6: Final answer
    x = 152,928.10

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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.