Home / 106,269.21-159,440.71-47,146.39

Finding the Fourth Proportional to 106,269.21, 159,440.71 and 47,146.39

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Solution

The fourth proportional to 106,269.21, 159,440.71 and 47,146.39 is: 70,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,269.21 : 159,440.71 = 47,146.39 : x
  2. Step 2: Convert to fraction form
    106,269.21/159,440.71 = 47,146.39/x
  3. Step 3: Cross multiply
    106,269.21x = 159,440.71 × 47,146.39
  4. Step 4: Simplify right side
    106,269.21x = 7,517,053,777.67
  5. Step 5: Solve for x
    x = 7,517,053,777.67/106,269.21
  6. Step 6: Final answer
    x = 70,735.96

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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.