Home / 179,704.38-247,991.55-103,228.50

Finding the Fourth Proportional to 179,704.38, 247,991.55 and 103,228.50

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Solution

The fourth proportional to 179,704.38, 247,991.55 and 103,228.50 is: 142,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,704.38 : 247,991.55 = 103,228.50 : x
  2. Step 2: Convert to fraction form
    179,704.38/247,991.55 = 103,228.50/x
  3. Step 3: Cross multiply
    179,704.38x = 247,991.55 × 103,228.50
  4. Step 4: Simplify right side
    179,704.38x = 25,599,795,719.18
  5. Step 5: Solve for x
    x = 25,599,795,719.18/179,704.38
  6. Step 6: Final answer
    x = 142,455.05

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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.