Home / 204,020.70-306,031.05-70,914.41

Finding the Fourth Proportional to 204,020.70, 306,031.05 and 70,914.41

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Solution

The fourth proportional to 204,020.70, 306,031.05 and 70,914.41 is: 106,371.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,020.70 : 306,031.05 = 70,914.41 : x
  2. Step 2: Convert to fraction form
    204,020.70/306,031.05 = 70,914.41/x
  3. Step 3: Cross multiply
    204,020.70x = 306,031.05 × 70,914.41
  4. Step 4: Simplify right side
    204,020.70x = 21,702,012,117.51
  5. Step 5: Solve for x
    x = 21,702,012,117.51/204,020.70
  6. Step 6: Final answer
    x = 106,371.62

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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.