Home / 75,271.26-112,906.94-19,115.58

Finding the Fourth Proportional to 75,271.26, 112,906.94 and 19,115.58

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Solution

The fourth proportional to 75,271.26, 112,906.94 and 19,115.58 is: 28,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,271.26 : 112,906.94 = 19,115.58 : x
  2. Step 2: Convert to fraction form
    75,271.26/112,906.94 = 19,115.58/x
  3. Step 3: Cross multiply
    75,271.26x = 112,906.94 × 19,115.58
  4. Step 4: Simplify right side
    75,271.26x = 2,158,280,984.01
  5. Step 5: Solve for x
    x = 2,158,280,984.01/75,271.26
  6. Step 6: Final answer
    x = 28,673.38

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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.