Home / 149,120.15-223,680.22-54,357.44

Finding the Fourth Proportional to 149,120.15, 223,680.22 and 54,357.44

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Solution

The fourth proportional to 149,120.15, 223,680.22 and 54,357.44 is: 81,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,120.15 : 223,680.22 = 54,357.44 : x
  2. Step 2: Convert to fraction form
    149,120.15/223,680.22 = 54,357.44/x
  3. Step 3: Cross multiply
    149,120.15x = 223,680.22 × 54,357.44
  4. Step 4: Simplify right side
    149,120.15x = 12,158,682,883.54
  5. Step 5: Solve for x
    x = 12,158,682,883.54/149,120.15
  6. Step 6: Final answer
    x = 81,536.15

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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.