Home / 126,181.20-189,012.60-63,886.80

Finding the Fourth Proportional to 126,181.20, 189,012.60 and 63,886.80

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Solution

The fourth proportional to 126,181.20, 189,012.60 and 63,886.80 is: 95,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,181.20 : 189,012.60 = 63,886.80 : x
  2. Step 2: Convert to fraction form
    126,181.20/189,012.60 = 63,886.80/x
  3. Step 3: Cross multiply
    126,181.20x = 189,012.60 × 63,886.80
  4. Step 4: Simplify right side
    126,181.20x = 12,075,410,173.68
  5. Step 5: Solve for x
    x = 12,075,410,173.68/126,181.20
  6. Step 6: Final answer
    x = 95,698.96

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1.5x scale

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.