Home / 125,371.27-173,015.39-68,782.64

Finding the Fourth Proportional to 125,371.27, 173,015.39 and 68,782.64

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Solution

The fourth proportional to 125,371.27, 173,015.39 and 68,782.64 is: 94,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,371.27 : 173,015.39 = 68,782.64 : x
  2. Step 2: Convert to fraction form
    125,371.27/173,015.39 = 68,782.64/x
  3. Step 3: Cross multiply
    125,371.27x = 173,015.39 × 68,782.64
  4. Step 4: Simplify right side
    125,371.27x = 11,900,455,178.02
  5. Step 5: Solve for x
    x = 11,900,455,178.02/125,371.27
  6. Step 6: Final answer
    x = 94,921.71

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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.