Home / 100,219.80-150,330.96-30,095.04

Finding the Fourth Proportional to 100,219.80, 150,330.96 and 30,095.04

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Solution

The fourth proportional to 100,219.80, 150,330.96 and 30,095.04 is: 45,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,219.80 : 150,330.96 = 30,095.04 : x
  2. Step 2: Convert to fraction form
    100,219.80/150,330.96 = 30,095.04/x
  3. Step 3: Cross multiply
    100,219.80x = 150,330.96 × 30,095.04
  4. Step 4: Simplify right side
    100,219.80x = 4,524,216,254.44
  5. Step 5: Solve for x
    x = 4,524,216,254.44/100,219.80
  6. Step 6: Final answer
    x = 45,142.94

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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.