Home / 144,530.85-199,452.84-80,004.55

Finding the Fourth Proportional to 144,530.85, 199,452.84 and 80,004.55

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Solution

The fourth proportional to 144,530.85, 199,452.84 and 80,004.55 is: 110,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,530.85 : 199,452.84 = 80,004.55 : x
  2. Step 2: Convert to fraction form
    144,530.85/199,452.84 = 80,004.55/x
  3. Step 3: Cross multiply
    144,530.85x = 199,452.84 × 80,004.55
  4. Step 4: Simplify right side
    144,530.85x = 15,957,134,710.42
  5. Step 5: Solve for x
    x = 15,957,134,710.42/144,530.85
  6. Step 6: Final answer
    x = 110,406.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.