Home / 209,100.42-313,652.25-51,330.24

Finding the Fourth Proportional to 209,100.42, 313,652.25 and 51,330.24

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Solution

The fourth proportional to 209,100.42, 313,652.25 and 51,330.24 is: 76,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,100.42 : 313,652.25 = 51,330.24 : x
  2. Step 2: Convert to fraction form
    209,100.42/313,652.25 = 51,330.24/x
  3. Step 3: Cross multiply
    209,100.42x = 313,652.25 × 51,330.24
  4. Step 4: Simplify right side
    209,100.42x = 16,099,845,269.04
  5. Step 5: Solve for x
    x = 16,099,845,269.04/209,100.42
  6. Step 6: Final answer
    x = 76,995.76

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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.