Home / 199,080.06-298,609.29-80,719.62

Finding the Fourth Proportional to 199,080.06, 298,609.29 and 80,719.62

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Solution

The fourth proportional to 199,080.06, 298,609.29 and 80,719.62 is: 121,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,080.06 : 298,609.29 = 80,719.62 : x
  2. Step 2: Convert to fraction form
    199,080.06/298,609.29 = 80,719.62/x
  3. Step 3: Cross multiply
    199,080.06x = 298,609.29 × 80,719.62
  4. Step 4: Simplify right side
    199,080.06x = 24,103,628,417.27
  5. Step 5: Solve for x
    x = 24,103,628,417.27/199,080.06
  6. Step 6: Final answer
    x = 121,075.05

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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.