Home / 144,529.85-199,451.46-80,003.55

Finding the Fourth Proportional to 144,529.85, 199,451.46 and 80,003.55

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Solution

The fourth proportional to 144,529.85, 199,451.46 and 80,003.55 is: 110,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,529.85 : 199,451.46 = 80,003.55 : x
  2. Step 2: Convert to fraction form
    144,529.85/199,451.46 = 80,003.55/x
  3. Step 3: Cross multiply
    144,529.85x = 199,451.46 × 80,003.55
  4. Step 4: Simplify right side
    144,529.85x = 15,956,824,852.68
  5. Step 5: Solve for x
    x = 15,956,824,852.68/144,529.85
  6. Step 6: Final answer
    x = 110,405.05

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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.