Home / 61,149.23-91,714.01-16,765.68

Finding the Fourth Proportional to 61,149.23, 91,714.01 and 16,765.68

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Solution

The fourth proportional to 61,149.23, 91,714.01 and 16,765.68 is: 25,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,149.23 : 91,714.01 = 16,765.68 : x
  2. Step 2: Convert to fraction form
    61,149.23/91,714.01 = 16,765.68/x
  3. Step 3: Cross multiply
    61,149.23x = 91,714.01 × 16,765.68
  4. Step 4: Simplify right side
    61,149.23x = 1,537,647,659.35
  5. Step 5: Solve for x
    x = 1,537,647,659.35/61,149.23
  6. Step 6: Final answer
    x = 25,145.82

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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.