Home / 225,515.10-311,210.96-123,544.25

Finding the Fourth Proportional to 225,515.10, 311,210.96 and 123,544.25

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Solution

The fourth proportional to 225,515.10, 311,210.96 and 123,544.25 is: 170,491.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,515.10 : 311,210.96 = 123,544.25 : x
  2. Step 2: Convert to fraction form
    225,515.10/311,210.96 = 123,544.25/x
  3. Step 3: Cross multiply
    225,515.10x = 311,210.96 × 123,544.25
  4. Step 4: Simplify right side
    225,515.10x = 38,448,322,471.20
  5. Step 5: Solve for x
    x = 38,448,322,471.20/225,515.10
  6. Step 6: Final answer
    x = 170,491.12

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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.