Home / 126,015.76-173,740.33-103,270.96

Finding the Fourth Proportional to 126,015.76, 173,740.33 and 103,270.96

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Solution

The fourth proportional to 126,015.76, 173,740.33 and 103,270.96 is: 142,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015.76 : 173,740.33 = 103,270.96 : x
  2. Step 2: Convert to fraction form
    126,015.76/173,740.33 = 103,270.96/x
  3. Step 3: Cross multiply
    126,015.76x = 173,740.33 × 103,270.96
  4. Step 4: Simplify right side
    126,015.76x = 17,942,329,284.76
  5. Step 5: Solve for x
    x = 17,942,329,284.76/126,015.76
  6. Step 6: Final answer
    x = 142,381.64

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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.