Home / 123,483.06-170,406.37-66,894.57

Finding the Fourth Proportional to 123,483.06, 170,406.37 and 66,894.57

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Solution

The fourth proportional to 123,483.06, 170,406.37 and 66,894.57 is: 92,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,483.06 : 170,406.37 = 66,894.57 : x
  2. Step 2: Convert to fraction form
    123,483.06/170,406.37 = 66,894.57/x
  3. Step 3: Cross multiply
    123,483.06x = 170,406.37 × 66,894.57
  4. Step 4: Simplify right side
    123,483.06x = 11,399,259,827.14
  5. Step 5: Solve for x
    x = 11,399,259,827.14/123,483.06
  6. Step 6: Final answer
    x = 92,314.37

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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.