Home / 80,106.94-120,195.54-38,017.42

Finding the Fourth Proportional to 80,106.94, 120,195.54 and 38,017.42

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Solution

The fourth proportional to 80,106.94, 120,195.54 and 38,017.42 is: 57,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,106.94 : 120,195.54 = 38,017.42 : x
  2. Step 2: Convert to fraction form
    80,106.94/120,195.54 = 38,017.42/x
  3. Step 3: Cross multiply
    80,106.94x = 120,195.54 × 38,017.42
  4. Step 4: Simplify right side
    80,106.94x = 4,569,524,326.31
  5. Step 5: Solve for x
    x = 4,569,524,326.31/80,106.94
  6. Step 6: Final answer
    x = 57,042.80

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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.