Home / 123,455.88-170,369.93-66,867.26

Finding the Fourth Proportional to 123,455.88, 170,369.93 and 66,867.26

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Solution

The fourth proportional to 123,455.88, 170,369.93 and 66,867.26 is: 92,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,455.88 : 170,369.93 = 66,867.26 : x
  2. Step 2: Convert to fraction form
    123,455.88/170,369.93 = 66,867.26/x
  3. Step 3: Cross multiply
    123,455.88x = 170,369.93 × 66,867.26
  4. Step 4: Simplify right side
    123,455.88x = 11,392,169,720.81
  5. Step 5: Solve for x
    x = 11,392,169,720.81/123,455.88
  6. Step 6: Final answer
    x = 92,277.26

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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.