Home / 263,225.40-363,249.64-142,366.56

Finding the Fourth Proportional to 263,225.40, 363,249.64 and 142,366.56

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Solution

The fourth proportional to 263,225.40, 363,249.64 and 142,366.56 is: 196,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,225.40 : 363,249.64 = 142,366.56 : x
  2. Step 2: Convert to fraction form
    263,225.40/363,249.64 = 142,366.56/x
  3. Step 3: Cross multiply
    263,225.40x = 363,249.64 × 142,366.56
  4. Step 4: Simplify right side
    263,225.40x = 51,714,601,668.04
  5. Step 5: Solve for x
    x = 51,714,601,668.04/263,225.40
  6. Step 6: Final answer
    x = 196,465.09

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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.