Home / 204,285.60-306,429.76-71,168.38

Finding the Fourth Proportional to 204,285.60, 306,429.76 and 71,168.38

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Solution

The fourth proportional to 204,285.60, 306,429.76 and 71,168.38 is: 106,753.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,285.60 : 306,429.76 = 71,168.38 : x
  2. Step 2: Convert to fraction form
    204,285.60/306,429.76 = 71,168.38/x
  3. Step 3: Cross multiply
    204,285.60x = 306,429.76 × 71,168.38
  4. Step 4: Simplify right side
    204,285.60x = 21,808,109,602.99
  5. Step 5: Solve for x
    x = 21,808,109,602.99/204,285.60
  6. Step 6: Final answer
    x = 106,753.04

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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.