Home / 143,049.20-214,573.80-80,063.60

Finding the Fourth Proportional to 143,049.20, 214,573.80 and 80,063.60

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Solution

The fourth proportional to 143,049.20, 214,573.80 and 80,063.60 is: 120,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,049.20 : 214,573.80 = 80,063.60 : x
  2. Step 2: Convert to fraction form
    143,049.20/214,573.80 = 80,063.60/x
  3. Step 3: Cross multiply
    143,049.20x = 214,573.80 × 80,063.60
  4. Step 4: Simplify right side
    143,049.20x = 17,179,550,893.68
  5. Step 5: Solve for x
    x = 17,179,550,893.68/143,049.20
  6. Step 6: Final answer
    x = 120,095.40

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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.