Home / 100,208.96-150,297.20-30,075.92

Finding the Fourth Proportional to 100,208.96, 150,297.20 and 30,075.92

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Solution

The fourth proportional to 100,208.96, 150,297.20 and 30,075.92 is: 45,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,208.96 : 150,297.20 = 30,075.92 : x
  2. Step 2: Convert to fraction form
    100,208.96/150,297.20 = 30,075.92/x
  3. Step 3: Cross multiply
    100,208.96x = 150,297.20 × 30,075.92
  4. Step 4: Simplify right side
    100,208.96x = 4,520,326,563.42
  5. Step 5: Solve for x
    x = 4,520,326,563.42/100,208.96
  6. Step 6: Final answer
    x = 45,109.01

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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.