Home / 236,022.20-325,728.78-134,065.88

Finding the Fourth Proportional to 236,022.20, 325,728.78 and 134,065.88

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Solution

The fourth proportional to 236,022.20, 325,728.78 and 134,065.88 is: 185,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,022.20 : 325,728.78 = 134,065.88 : x
  2. Step 2: Convert to fraction form
    236,022.20/325,728.78 = 134,065.88/x
  3. Step 3: Cross multiply
    236,022.20x = 325,728.78 × 134,065.88
  4. Step 4: Simplify right side
    236,022.20x = 43,669,115,532.03
  5. Step 5: Solve for x
    x = 43,669,115,532.03/236,022.20
  6. Step 6: Final answer
    x = 185,021.22

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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.