Home / 123,329.86-170,195.73-66,741.23

Finding the Fourth Proportional to 123,329.86, 170,195.73 and 66,741.23

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Solution

The fourth proportional to 123,329.86, 170,195.73 and 66,741.23 is: 92,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,329.86 : 170,195.73 = 66,741.23 : x
  2. Step 2: Convert to fraction form
    123,329.86/170,195.73 = 66,741.23/x
  3. Step 3: Cross multiply
    123,329.86x = 170,195.73 × 66,741.23
  4. Step 4: Simplify right side
    123,329.86x = 11,359,072,360.95
  5. Step 5: Solve for x
    x = 11,359,072,360.95/123,329.86
  6. Step 6: Final answer
    x = 92,103.18

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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.