Home / 190,692.36-263,203.83-130,287.42

Finding the Fourth Proportional to 190,692.36, 263,203.83 and 130,287.42

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Solution

The fourth proportional to 190,692.36, 263,203.83 and 130,287.42 is: 179,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,692.36 : 263,203.83 = 130,287.42 : x
  2. Step 2: Convert to fraction form
    190,692.36/263,203.83 = 130,287.42/x
  3. Step 3: Cross multiply
    190,692.36x = 263,203.83 × 130,287.42
  4. Step 4: Simplify right side
    190,692.36x = 34,292,147,944.82
  5. Step 5: Solve for x
    x = 34,292,147,944.82/190,692.36
  6. Step 6: Final answer
    x = 179,829.69

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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.