Home / 146,560.80-219,841.20-111,131.40

Finding the Fourth Proportional to 146,560.80, 219,841.20 and 111,131.40

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Solution

The fourth proportional to 146,560.80, 219,841.20 and 111,131.40 is: 166,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,560.80 : 219,841.20 = 111,131.40 : x
  2. Step 2: Convert to fraction form
    146,560.80/219,841.20 = 111,131.40/x
  3. Step 3: Cross multiply
    146,560.80x = 219,841.20 × 111,131.40
  4. Step 4: Simplify right side
    146,560.80x = 24,431,260,333.68
  5. Step 5: Solve for x
    x = 24,431,260,333.68/146,560.80
  6. Step 6: Final answer
    x = 166,697.10

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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.