Home / 103,269.36-154,917-33,129.84

Finding the Fourth Proportional to 103,269.36, 154,917 and 33,129.84

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Solution

The fourth proportional to 103,269.36, 154,917 and 33,129.84 is: 49,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,269.36 : 154,917 = 33,129.84 : x
  2. Step 2: Convert to fraction form
    103,269.36/154,917 = 33,129.84/x
  3. Step 3: Cross multiply
    103,269.36x = 154,917 × 33,129.84
  4. Step 4: Simplify right side
    103,269.36x = 5,132,375,423.28
  5. Step 5: Solve for x
    x = 5,132,375,423.28/103,269.36
  6. Step 6: Final answer
    x = 49,698.92

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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.