Home / 204,005.20-306,007.80-109,526.80

Finding the Fourth Proportional to 204,005.20, 306,007.80 and 109,526.80

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Solution

The fourth proportional to 204,005.20, 306,007.80 and 109,526.80 is: 164,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,005.20 : 306,007.80 = 109,526.80 : x
  2. Step 2: Convert to fraction form
    204,005.20/306,007.80 = 109,526.80/x
  3. Step 3: Cross multiply
    204,005.20x = 306,007.80 × 109,526.80
  4. Step 4: Simplify right side
    204,005.20x = 33,516,055,109.04
  5. Step 5: Solve for x
    x = 33,516,055,109.04/204,005.20
  6. Step 6: Final answer
    x = 164,290.20

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1.5x scale

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.