Home / 149,271.69-205,777.31-113,399.43

Finding the Fourth Proportional to 149,271.69, 205,777.31 and 113,399.43

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Solution

The fourth proportional to 149,271.69, 205,777.31 and 113,399.43 is: 156,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,271.69 : 205,777.31 = 113,399.43 : x
  2. Step 2: Convert to fraction form
    149,271.69/205,777.31 = 113,399.43/x
  3. Step 3: Cross multiply
    149,271.69x = 205,777.31 × 113,399.43
  4. Step 4: Simplify right side
    149,271.69x = 23,335,029,093.94
  5. Step 5: Solve for x
    x = 23,335,029,093.94/149,271.69
  6. Step 6: Final answer
    x = 156,325.89

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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.