Home / 209,905.73-289,669.99-119,261.82

Finding the Fourth Proportional to 209,905.73, 289,669.99 and 119,261.82

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Solution

The fourth proportional to 209,905.73, 289,669.99 and 119,261.82 is: 164,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,905.73 : 289,669.99 = 119,261.82 : x
  2. Step 2: Convert to fraction form
    209,905.73/289,669.99 = 119,261.82/x
  3. Step 3: Cross multiply
    209,905.73x = 289,669.99 × 119,261.82
  4. Step 4: Simplify right side
    209,905.73x = 34,546,569,269.60
  5. Step 5: Solve for x
    x = 34,546,569,269.60/209,905.73
  6. Step 6: Final answer
    x = 164,581.35

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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.