Home / 263,579.20-363,739.98-142,721.92

Finding the Fourth Proportional to 263,579.20, 363,739.98 and 142,721.92

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Solution

The fourth proportional to 263,579.20, 363,739.98 and 142,721.92 is: 196,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,579.20 : 363,739.98 = 142,721.92 : x
  2. Step 2: Convert to fraction form
    263,579.20/363,739.98 = 142,721.92/x
  3. Step 3: Cross multiply
    263,579.20x = 363,739.98 × 142,721.92
  4. Step 4: Simplify right side
    263,579.20x = 51,913,668,326.36
  5. Step 5: Solve for x
    x = 51,913,668,326.36/263,579.20
  6. Step 6: Final answer
    x = 196,956.62

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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.