Home / 263,047.36-363,005.37-142,188.25

Finding the Fourth Proportional to 263,047.36, 363,005.37 and 142,188.25

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Solution

The fourth proportional to 263,047.36, 363,005.37 and 142,188.25 is: 196,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,047.36 : 363,005.37 = 142,188.25 : x
  2. Step 2: Convert to fraction form
    263,047.36/363,005.37 = 142,188.25/x
  3. Step 3: Cross multiply
    263,047.36x = 363,005.37 × 142,188.25
  4. Step 4: Simplify right side
    263,047.36x = 51,615,098,300.90
  5. Step 5: Solve for x
    x = 51,615,098,300.90/263,047.36
  6. Step 6: Final answer
    x = 196,219.79

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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.