Home / 113,269.50-169,904.79-30,163.50

Finding the Fourth Proportional to 113,269.50, 169,904.79 and 30,163.50

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Solution

The fourth proportional to 113,269.50, 169,904.79 and 30,163.50 is: 45,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,269.50 : 169,904.79 = 30,163.50 : x
  2. Step 2: Convert to fraction form
    113,269.50/169,904.79 = 30,163.50/x
  3. Step 3: Cross multiply
    113,269.50x = 169,904.79 × 30,163.50
  4. Step 4: Simplify right side
    113,269.50x = 5,124,923,133.17
  5. Step 5: Solve for x
    x = 5,124,923,133.17/113,269.50
  6. Step 6: Final answer
    x = 45,245.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.