Home / 125,344.53-172,986.38-68,766.84

Finding the Fourth Proportional to 125,344.53, 172,986.38 and 68,766.84

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Solution

The fourth proportional to 125,344.53, 172,986.38 and 68,766.84 is: 94,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,344.53 : 172,986.38 = 68,766.84 : x
  2. Step 2: Convert to fraction form
    125,344.53/172,986.38 = 68,766.84/x
  3. Step 3: Cross multiply
    125,344.53x = 172,986.38 × 68,766.84
  4. Step 4: Simplify right side
    125,344.53x = 11,895,726,371.81
  5. Step 5: Solve for x
    x = 11,895,726,371.81/125,344.53
  6. Step 6: Final answer
    x = 94,904.23

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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.