Home / 146,930.85-220,395.33-70,940.70

Finding the Fourth Proportional to 146,930.85, 220,395.33 and 70,940.70

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Solution

The fourth proportional to 146,930.85, 220,395.33 and 70,940.70 is: 106,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,930.85 : 220,395.33 = 70,940.70 : x
  2. Step 2: Convert to fraction form
    146,930.85/220,395.33 = 70,940.70/x
  3. Step 3: Cross multiply
    146,930.85x = 220,395.33 × 70,940.70
  4. Step 4: Simplify right side
    146,930.85x = 15,634,998,986.93
  5. Step 5: Solve for x
    x = 15,634,998,986.93/146,930.85
  6. Step 6: Final answer
    x = 106,410.59

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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.