Home / 211,051.58-316,554.89-111,171.29

Finding the Fourth Proportional to 211,051.58, 316,554.89 and 111,171.29

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Solution

The fourth proportional to 211,051.58, 316,554.89 and 111,171.29 is: 166,745.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,051.58 : 316,554.89 = 111,171.29 : x
  2. Step 2: Convert to fraction form
    211,051.58/316,554.89 = 111,171.29/x
  3. Step 3: Cross multiply
    211,051.58x = 316,554.89 × 111,171.29
  4. Step 4: Simplify right side
    211,051.58x = 35,191,813,338.48
  5. Step 5: Solve for x
    x = 35,191,813,338.48/211,051.58
  6. Step 6: Final answer
    x = 166,745.09

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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.