Home / 100,452.22-150,727.50-40,478.20

Finding the Fourth Proportional to 100,452.22, 150,727.50 and 40,478.20

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Solution

The fourth proportional to 100,452.22, 150,727.50 and 40,478.20 is: 60,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,452.22 : 150,727.50 = 40,478.20 : x
  2. Step 2: Convert to fraction form
    100,452.22/150,727.50 = 40,478.20/x
  3. Step 3: Cross multiply
    100,452.22x = 150,727.50 × 40,478.20
  4. Step 4: Simplify right side
    100,452.22x = 6,101,177,890.50
  5. Step 5: Solve for x
    x = 6,101,177,890.50/100,452.22
  6. Step 6: Final answer
    x = 60,737.11

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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.