Home / 120,144.86-180,198.36-40,182.22

Finding the Fourth Proportional to 120,144.86, 180,198.36 and 40,182.22

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Solution

The fourth proportional to 120,144.86, 180,198.36 and 40,182.22 is: 60,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,144.86 : 180,198.36 = 40,182.22 : x
  2. Step 2: Convert to fraction form
    120,144.86/180,198.36 = 40,182.22/x
  3. Step 3: Cross multiply
    120,144.86x = 180,198.36 × 40,182.22
  4. Step 4: Simplify right side
    120,144.86x = 7,240,770,145.16
  5. Step 5: Solve for x
    x = 7,240,770,145.16/120,144.86
  6. Step 6: Final answer
    x = 60,267.00

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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.