Home / 80,830.26-111,654.66-73,285.08

Finding the Fourth Proportional to 80,830.26, 111,654.66 and 73,285.08

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Solution

The fourth proportional to 80,830.26, 111,654.66 and 73,285.08 is: 101,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,830.26 : 111,654.66 = 73,285.08 : x
  2. Step 2: Convert to fraction form
    80,830.26/111,654.66 = 73,285.08/x
  3. Step 3: Cross multiply
    80,830.26x = 111,654.66 × 73,285.08
  4. Step 4: Simplify right side
    80,830.26x = 8,182,620,690.47
  5. Step 5: Solve for x
    x = 8,182,620,690.47/80,830.26
  6. Step 6: Final answer
    x = 101,232.15

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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.