Home / 204,155.28-306,200.52-104,389.20

Finding the Fourth Proportional to 204,155.28, 306,200.52 and 104,389.20

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Solution

The fourth proportional to 204,155.28, 306,200.52 and 104,389.20 is: 156,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,155.28 : 306,200.52 = 104,389.20 : x
  2. Step 2: Convert to fraction form
    204,155.28/306,200.52 = 104,389.20/x
  3. Step 3: Cross multiply
    204,155.28x = 306,200.52 × 104,389.20
  4. Step 4: Simplify right side
    204,155.28x = 31,964,027,322.38
  5. Step 5: Solve for x
    x = 31,964,027,322.38/204,155.28
  6. Step 6: Final answer
    x = 156,567.23

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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.