Home / 213,453.37-320,396.70-106,913.66

Finding the Fourth Proportional to 213,453.37, 320,396.70 and 106,913.66

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Solution

The fourth proportional to 213,453.37, 320,396.70 and 106,913.66 is: 160,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,453.37 : 320,396.70 = 106,913.66 : x
  2. Step 2: Convert to fraction form
    213,453.37/320,396.70 = 106,913.66/x
  3. Step 3: Cross multiply
    213,453.37x = 320,396.70 × 106,913.66
  4. Step 4: Simplify right side
    213,453.37x = 34,254,784,917.20
  5. Step 5: Solve for x
    x = 34,254,784,917.20/213,453.37
  6. Step 6: Final answer
    x = 160,479.01

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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.