Home / 263,721.45-363,935.28-142,863.24

Finding the Fourth Proportional to 263,721.45, 363,935.28 and 142,863.24

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Solution

The fourth proportional to 263,721.45, 363,935.28 and 142,863.24 is: 197,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,721.45 : 363,935.28 = 142,863.24 : x
  2. Step 2: Convert to fraction form
    263,721.45/363,935.28 = 142,863.24/x
  3. Step 3: Cross multiply
    263,721.45x = 363,935.28 × 142,863.24
  4. Step 4: Simplify right side
    263,721.45x = 51,992,972,715.37
  5. Step 5: Solve for x
    x = 51,992,972,715.37/263,721.45
  6. Step 6: Final answer
    x = 197,151.09

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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.