Home / 204,256.47-306,360.10-71,125.68

Finding the Fourth Proportional to 204,256.47, 306,360.10 and 71,125.68

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Solution

The fourth proportional to 204,256.47, 306,360.10 and 71,125.68 is: 106,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,256.47 : 306,360.10 = 71,125.68 : x
  2. Step 2: Convert to fraction form
    204,256.47/306,360.10 = 71,125.68/x
  3. Step 3: Cross multiply
    204,256.47x = 306,360.10 × 71,125.68
  4. Step 4: Simplify right side
    204,256.47x = 21,790,070,437.37
  5. Step 5: Solve for x
    x = 21,790,070,437.37/204,256.47
  6. Step 6: Final answer
    x = 106,679.95

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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.