Home / 123,468.27-170,386.22-66,879.64

Finding the Fourth Proportional to 123,468.27, 170,386.22 and 66,879.64

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Solution

The fourth proportional to 123,468.27, 170,386.22 and 66,879.64 is: 92,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,468.27 : 170,386.22 = 66,879.64 : x
  2. Step 2: Convert to fraction form
    123,468.27/170,386.22 = 66,879.64/x
  3. Step 3: Cross multiply
    123,468.27x = 170,386.22 × 66,879.64
  4. Step 4: Simplify right side
    123,468.27x = 11,395,369,054.56
  5. Step 5: Solve for x
    x = 11,395,369,054.56/123,468.27
  6. Step 6: Final answer
    x = 92,293.91

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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.