Home / 80,198.02-110,559.18-54,671.63

Finding the Fourth Proportional to 80,198.02, 110,559.18 and 54,671.63

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Solution

The fourth proportional to 80,198.02, 110,559.18 and 54,671.63 is: 75,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,198.02 : 110,559.18 = 54,671.63 : x
  2. Step 2: Convert to fraction form
    80,198.02/110,559.18 = 54,671.63/x
  3. Step 3: Cross multiply
    80,198.02x = 110,559.18 × 54,671.63
  4. Step 4: Simplify right side
    80,198.02x = 6,044,450,238.85
  5. Step 5: Solve for x
    x = 6,044,450,238.85/80,198.02
  6. Step 6: Final answer
    x = 75,369.07

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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.