Home / 204,389.60-306,496.91-71,230.46

Finding the Fourth Proportional to 204,389.60, 306,496.91 and 71,230.46

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Solution

The fourth proportional to 204,389.60, 306,496.91 and 71,230.46 is: 106,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,389.60 : 306,496.91 = 71,230.46 : x
  2. Step 2: Convert to fraction form
    204,389.60/306,496.91 = 71,230.46/x
  3. Step 3: Cross multiply
    204,389.60x = 306,496.91 × 71,230.46
  4. Step 4: Simplify right side
    204,389.60x = 21,831,914,533.47
  5. Step 5: Solve for x
    x = 21,831,914,533.47/204,389.60
  6. Step 6: Final answer
    x = 106,815.20

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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.