Home / 221,684.04-305,917.56-121,082.04

Finding the Fourth Proportional to 221,684.04, 305,917.56 and 121,082.04

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Solution

The fourth proportional to 221,684.04, 305,917.56 and 121,082.04 is: 167,089.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,684.04 : 305,917.56 = 121,082.04 : x
  2. Step 2: Convert to fraction form
    221,684.04/305,917.56 = 121,082.04/x
  3. Step 3: Cross multiply
    221,684.04x = 305,917.56 × 121,082.04
  4. Step 4: Simplify right side
    221,684.04x = 37,041,122,236.62
  5. Step 5: Solve for x
    x = 37,041,122,236.62/221,684.04
  6. Step 6: Final answer
    x = 167,089.71

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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.