Home / 75,271.06-112,906.65-19,115.38

Finding the Fourth Proportional to 75,271.06, 112,906.65 and 19,115.38

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Solution

The fourth proportional to 75,271.06, 112,906.65 and 19,115.38 is: 28,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,271.06 : 112,906.65 = 19,115.38 : x
  2. Step 2: Convert to fraction form
    75,271.06/112,906.65 = 19,115.38/x
  3. Step 3: Cross multiply
    75,271.06x = 112,906.65 × 19,115.38
  4. Step 4: Simplify right side
    75,271.06x = 2,158,253,519.28
  5. Step 5: Solve for x
    x = 2,158,253,519.28/75,271.06
  6. Step 6: Final answer
    x = 28,673.09

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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.