Home / 263,520.05-363,658.83-142,661.33

Finding the Fourth Proportional to 263,520.05, 363,658.83 and 142,661.33

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Solution

The fourth proportional to 263,520.05, 363,658.83 and 142,661.33 is: 196,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,520.05 : 363,658.83 = 142,661.33 : x
  2. Step 2: Convert to fraction form
    263,520.05/363,658.83 = 142,661.33/x
  3. Step 3: Cross multiply
    263,520.05x = 363,658.83 × 142,661.33
  4. Step 4: Simplify right side
    263,520.05x = 51,880,053,263.19
  5. Step 5: Solve for x
    x = 51,880,053,263.19/263,520.05
  6. Step 6: Final answer
    x = 196,873.27

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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.