Home / 263,768.34-363,999.81-142,912.68

Finding the Fourth Proportional to 263,768.34, 363,999.81 and 142,912.68

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Solution

The fourth proportional to 263,768.34, 363,999.81 and 142,912.68 is: 197,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,768.34 : 363,999.81 = 142,912.68 : x
  2. Step 2: Convert to fraction form
    263,768.34/363,999.81 = 142,912.68/x
  3. Step 3: Cross multiply
    263,768.34x = 363,999.81 × 142,912.68
  4. Step 4: Simplify right side
    263,768.34x = 52,020,188,366.59
  5. Step 5: Solve for x
    x = 52,020,188,366.59/263,768.34
  6. Step 6: Final answer
    x = 197,219.23

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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.