Home / 225,504.64-311,120.58-130,009.24

Finding the Fourth Proportional to 225,504.64, 311,120.58 and 130,009.24

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Solution

The fourth proportional to 225,504.64, 311,120.58 and 130,009.24 is: 179,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,504.64 : 311,120.58 = 130,009.24 : x
  2. Step 2: Convert to fraction form
    225,504.64/311,120.58 = 130,009.24/x
  3. Step 3: Cross multiply
    225,504.64x = 311,120.58 × 130,009.24
  4. Step 4: Simplify right side
    225,504.64x = 40,448,550,154.16
  5. Step 5: Solve for x
    x = 40,448,550,154.16/225,504.64
  6. Step 6: Final answer
    x = 179,369.04

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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.