Home / 203,109.60-280,583.21-162,220.04

Finding the Fourth Proportional to 203,109.60, 280,583.21 and 162,220.04

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Solution

The fourth proportional to 203,109.60, 280,583.21 and 162,220.04 is: 224,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,109.60 : 280,583.21 = 162,220.04 : x
  2. Step 2: Convert to fraction form
    203,109.60/280,583.21 = 162,220.04/x
  3. Step 3: Cross multiply
    203,109.60x = 280,583.21 × 162,220.04
  4. Step 4: Simplify right side
    203,109.60x = 45,516,218,036.97
  5. Step 5: Solve for x
    x = 45,516,218,036.97/203,109.60
  6. Step 6: Final answer
    x = 224,096.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.