Home / 126,017.45-173,903.54-68,656.60

Finding the Fourth Proportional to 126,017.45, 173,903.54 and 68,656.60

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Solution

The fourth proportional to 126,017.45, 173,903.54 and 68,656.60 is: 94,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,017.45 : 173,903.54 = 68,656.60 : x
  2. Step 2: Convert to fraction form
    126,017.45/173,903.54 = 68,656.60/x
  3. Step 3: Cross multiply
    126,017.45x = 173,903.54 × 68,656.60
  4. Step 4: Simplify right side
    126,017.45x = 11,939,625,521.25
  5. Step 5: Solve for x
    x = 11,939,625,521.25/126,017.45
  6. Step 6: Final answer
    x = 94,745.81

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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.