Home / 209,902.11-289,672.74-119,273.46

Finding the Fourth Proportional to 209,902.11, 289,672.74 and 119,273.46

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Solution

The fourth proportional to 209,902.11, 289,672.74 and 119,273.46 is: 164,601.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,902.11 : 289,672.74 = 119,273.46 : x
  2. Step 2: Convert to fraction form
    209,902.11/289,672.74 = 119,273.46/x
  3. Step 3: Cross multiply
    209,902.11x = 289,672.74 × 119,273.46
  4. Step 4: Simplify right side
    209,902.11x = 34,550,269,967.48
  5. Step 5: Solve for x
    x = 34,550,269,967.48/209,902.11
  6. Step 6: Final answer
    x = 164,601.82

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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.