Home / 130,163.22-195,274.80-55,285.74

Finding the Fourth Proportional to 130,163.22, 195,274.80 and 55,285.74

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Solution

The fourth proportional to 130,163.22, 195,274.80 and 55,285.74 is: 82,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,163.22 : 195,274.80 = 55,285.74 : x
  2. Step 2: Convert to fraction form
    130,163.22/195,274.80 = 55,285.74/x
  3. Step 3: Cross multiply
    130,163.22x = 195,274.80 × 55,285.74
  4. Step 4: Simplify right side
    130,163.22x = 10,795,911,821.35
  5. Step 5: Solve for x
    x = 10,795,911,821.35/130,163.22
  6. Step 6: Final answer
    x = 82,941.34

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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.