Home / 120,198.96-180,296.40-35,959.32

Finding the Fourth Proportional to 120,198.96, 180,296.40 and 35,959.32

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Solution

The fourth proportional to 120,198.96, 180,296.40 and 35,959.32 is: 53,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,198.96 : 180,296.40 = 35,959.32 : x
  2. Step 2: Convert to fraction form
    120,198.96/180,296.40 = 35,959.32/x
  3. Step 3: Cross multiply
    120,198.96x = 180,296.40 × 35,959.32
  4. Step 4: Simplify right side
    120,198.96x = 6,483,335,942.45
  5. Step 5: Solve for x
    x = 6,483,335,942.45/120,198.96
  6. Step 6: Final answer
    x = 53,938.37

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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.