Home / 211,338.25-291,676.62-130,791.72

Finding the Fourth Proportional to 211,338.25, 291,676.62 and 130,791.72

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Solution

The fourth proportional to 211,338.25, 291,676.62 and 130,791.72 is: 180,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,338.25 : 291,676.62 = 130,791.72 : x
  2. Step 2: Convert to fraction form
    211,338.25/291,676.62 = 130,791.72/x
  3. Step 3: Cross multiply
    211,338.25x = 291,676.62 × 130,791.72
  4. Step 4: Simplify right side
    211,338.25x = 38,148,886,813.59
  5. Step 5: Solve for x
    x = 38,148,886,813.59/211,338.25
  6. Step 6: Final answer
    x = 180,511.04

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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.