Home / 126,965.82-190,424.63-63,769.01

Finding the Fourth Proportional to 126,965.82, 190,424.63 and 63,769.01

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Solution

The fourth proportional to 126,965.82, 190,424.63 and 63,769.01 is: 95,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,965.82 : 190,424.63 = 63,769.01 : x
  2. Step 2: Convert to fraction form
    126,965.82/190,424.63 = 63,769.01/x
  3. Step 3: Cross multiply
    126,965.82x = 190,424.63 × 63,769.01
  4. Step 4: Simplify right side
    126,965.82x = 12,143,190,770.20
  5. Step 5: Solve for x
    x = 12,143,190,770.20/126,965.82
  6. Step 6: Final answer
    x = 95,641.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.