Home / 141.03-211.23-118.08

Finding the Fourth Proportional to 141.03, 211.23 and 118.08

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Solution

The fourth proportional to 141.03, 211.23 and 118.08 is: 176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.03 : 211.23 = 118.08 : x
  2. Step 2: Convert to fraction form
    141.03/211.23 = 118.08/x
  3. Step 3: Cross multiply
    141.03x = 211.23 × 118.08
  4. Step 4: Simplify right side
    141.03x = 24,942.04
  5. Step 5: Solve for x
    x = 24,942.04/141.03
  6. Step 6: Final answer
    x = 176.86

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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.