Home / 191,704.20-287,556.30-162,179.70

Finding the Fourth Proportional to 191,704.20, 287,556.30 and 162,179.70

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Solution

The fourth proportional to 191,704.20, 287,556.30 and 162,179.70 is: 243,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,704.20 : 287,556.30 = 162,179.70 : x
  2. Step 2: Convert to fraction form
    191,704.20/287,556.30 = 162,179.70/x
  3. Step 3: Cross multiply
    191,704.20x = 287,556.30 × 162,179.70
  4. Step 4: Simplify right side
    191,704.20x = 46,635,794,467.11
  5. Step 5: Solve for x
    x = 46,635,794,467.11/191,704.20
  6. Step 6: Final answer
    x = 243,269.55

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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.