Home / 130,563.75-180,185.27-73,993.35

Finding the Fourth Proportional to 130,563.75, 180,185.27 and 73,993.35

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Solution

The fourth proportional to 130,563.75, 180,185.27 and 73,993.35 is: 102,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,563.75 : 180,185.27 = 73,993.35 : x
  2. Step 2: Convert to fraction form
    130,563.75/180,185.27 = 73,993.35/x
  3. Step 3: Cross multiply
    130,563.75x = 180,185.27 × 73,993.35
  4. Step 4: Simplify right side
    130,563.75x = 13,332,511,377.99
  5. Step 5: Solve for x
    x = 13,332,511,377.99/130,563.75
  6. Step 6: Final answer
    x = 102,114.95

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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.