Home / 164,190.36-245,841.33-85,138.41

Finding the Fourth Proportional to 164,190.36, 245,841.33 and 85,138.41

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Solution

The fourth proportional to 164,190.36, 245,841.33 and 85,138.41 is: 127,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,190.36 : 245,841.33 = 85,138.41 : x
  2. Step 2: Convert to fraction form
    164,190.36/245,841.33 = 85,138.41/x
  3. Step 3: Cross multiply
    164,190.36x = 245,841.33 × 85,138.41
  4. Step 4: Simplify right side
    164,190.36x = 20,930,539,948.49
  5. Step 5: Solve for x
    x = 20,930,539,948.49/164,190.36
  6. Step 6: Final answer
    x = 127,477.28

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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.