Home / 242,908.26-335,213.99-135,485.25

Finding the Fourth Proportional to 242,908.26, 335,213.99 and 135,485.25

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Solution

The fourth proportional to 242,908.26, 335,213.99 and 135,485.25 is: 186,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,908.26 : 335,213.99 = 135,485.25 : x
  2. Step 2: Convert to fraction form
    242,908.26/335,213.99 = 135,485.25/x
  3. Step 3: Cross multiply
    242,908.26x = 335,213.99 × 135,485.25
  4. Step 4: Simplify right side
    242,908.26x = 45,416,551,238.65
  5. Step 5: Solve for x
    x = 45,416,551,238.65/242,908.26
  6. Step 6: Final answer
    x = 186,969.97

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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.