Home / 130,279.12-195,415.44-36,783.52

Finding the Fourth Proportional to 130,279.12, 195,415.44 and 36,783.52

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Solution

The fourth proportional to 130,279.12, 195,415.44 and 36,783.52 is: 55,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,279.12 : 195,415.44 = 36,783.52 : x
  2. Step 2: Convert to fraction form
    130,279.12/195,415.44 = 36,783.52/x
  3. Step 3: Cross multiply
    130,279.12x = 195,415.44 × 36,783.52
  4. Step 4: Simplify right side
    130,279.12x = 7,188,067,745.55
  5. Step 5: Solve for x
    x = 7,188,067,745.55/130,279.12
  6. Step 6: Final answer
    x = 55,174.37

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1.5x scale

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.