Home / 146,500.20-218,518.69-133,046.05

Finding the Fourth Proportional to 146,500.20, 218,518.69 and 133,046.05

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Solution

The fourth proportional to 146,500.20, 218,518.69 and 133,046.05 is: 198,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,500.20 : 218,518.69 = 133,046.05 : x
  2. Step 2: Convert to fraction form
    146,500.20/218,518.69 = 133,046.05/x
  3. Step 3: Cross multiply
    146,500.20x = 218,518.69 × 133,046.05
  4. Step 4: Simplify right side
    146,500.20x = 29,073,048,555.67
  5. Step 5: Solve for x
    x = 29,073,048,555.67/146,500.20
  6. Step 6: Final answer
    x = 198,450.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.