Home / 123,404.44-170,298.14-66,815.80

Finding the Fourth Proportional to 123,404.44, 170,298.14 and 66,815.80

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Solution

The fourth proportional to 123,404.44, 170,298.14 and 66,815.80 is: 92,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,404.44 : 170,298.14 = 66,815.80 : x
  2. Step 2: Convert to fraction form
    123,404.44/170,298.14 = 66,815.80/x
  3. Step 3: Cross multiply
    123,404.44x = 170,298.14 × 66,815.80
  4. Step 4: Simplify right side
    123,404.44x = 11,378,606,462.61
  5. Step 5: Solve for x
    x = 11,378,606,462.61/123,404.44
  6. Step 6: Final answer
    x = 92,205.81

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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.