Home / 74,147.43-111,198.12-26,756.38

Finding the Fourth Proportional to 74,147.43, 111,198.12 and 26,756.38

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Solution

The fourth proportional to 74,147.43, 111,198.12 and 26,756.38 is: 40,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,147.43 : 111,198.12 = 26,756.38 : x
  2. Step 2: Convert to fraction form
    74,147.43/111,198.12 = 26,756.38/x
  3. Step 3: Cross multiply
    74,147.43x = 111,198.12 × 26,756.38
  4. Step 4: Simplify right side
    74,147.43x = 2,975,258,567.18
  5. Step 5: Solve for x
    x = 2,975,258,567.18/74,147.43
  6. Step 6: Final answer
    x = 40,126.25

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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.