Home / 211,235.52-291,504.96-115,745.84

Finding the Fourth Proportional to 211,235.52, 291,504.96 and 115,745.84

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Solution

The fourth proportional to 211,235.52, 291,504.96 and 115,745.84 is: 159,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,235.52 : 291,504.96 = 115,745.84 : x
  2. Step 2: Convert to fraction form
    211,235.52/291,504.96 = 115,745.84/x
  3. Step 3: Cross multiply
    211,235.52x = 291,504.96 × 115,745.84
  4. Step 4: Simplify right side
    211,235.52x = 33,740,486,459.37
  5. Step 5: Solve for x
    x = 33,740,486,459.37/211,235.52
  6. Step 6: Final answer
    x = 159,729.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.