Home / 211,927.37-317,580-106,601.45

Finding the Fourth Proportional to 211,927.37, 317,580 and 106,601.45

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Solution

The fourth proportional to 211,927.37, 317,580 and 106,601.45 is: 159,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,927.37 : 317,580 = 106,601.45 : x
  2. Step 2: Convert to fraction form
    211,927.37/317,580 = 106,601.45/x
  3. Step 3: Cross multiply
    211,927.37x = 317,580 × 106,601.45
  4. Step 4: Simplify right side
    211,927.37x = 33,854,486,903.10
  5. Step 5: Solve for x
    x = 33,854,486,903.10/211,927.37
  6. Step 6: Final answer
    x = 159,745.71

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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.