Home / 149,930.22-206,903.34-85,399.44

Finding the Fourth Proportional to 149,930.22, 206,903.34 and 85,399.44

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Solution

The fourth proportional to 149,930.22, 206,903.34 and 85,399.44 is: 117,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,930.22 : 206,903.34 = 85,399.44 : x
  2. Step 2: Convert to fraction form
    149,930.22/206,903.34 = 85,399.44/x
  3. Step 3: Cross multiply
    149,930.22x = 206,903.34 × 85,399.44
  4. Step 4: Simplify right side
    149,930.22x = 17,669,429,370.13
  5. Step 5: Solve for x
    x = 17,669,429,370.13/149,930.22
  6. Step 6: Final answer
    x = 117,851.02

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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.