Home / 138,986.56-208,477.77-44,222.50

Finding the Fourth Proportional to 138,986.56, 208,477.77 and 44,222.50

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Solution

The fourth proportional to 138,986.56, 208,477.77 and 44,222.50 is: 66,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,986.56 : 208,477.77 = 44,222.50 : x
  2. Step 2: Convert to fraction form
    138,986.56/208,477.77 = 44,222.50/x
  3. Step 3: Cross multiply
    138,986.56x = 208,477.77 × 44,222.50
  4. Step 4: Simplify right side
    138,986.56x = 9,219,408,183.83
  5. Step 5: Solve for x
    x = 9,219,408,183.83/138,986.56
  6. Step 6: Final answer
    x = 66,333.09

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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.