Home / 145,245.20-217,902.83-50,461.58

Finding the Fourth Proportional to 145,245.20, 217,902.83 and 50,461.58

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Solution

The fourth proportional to 145,245.20, 217,902.83 and 50,461.58 is: 75,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,245.20 : 217,902.83 = 50,461.58 : x
  2. Step 2: Convert to fraction form
    145,245.20/217,902.83 = 50,461.58/x
  3. Step 3: Cross multiply
    145,245.20x = 217,902.83 × 50,461.58
  4. Step 4: Simplify right side
    145,245.20x = 10,995,719,746.45
  5. Step 5: Solve for x
    x = 10,995,719,746.45/145,245.20
  6. Step 6: Final answer
    x = 75,704.53

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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.