Home / 209,828.90-289,554.82-119,184.59

Finding the Fourth Proportional to 209,828.90, 289,554.82 and 119,184.59

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Solution

The fourth proportional to 209,828.90, 289,554.82 and 119,184.59 is: 164,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,828.90 : 289,554.82 = 119,184.59 : x
  2. Step 2: Convert to fraction form
    209,828.90/289,554.82 = 119,184.59/x
  3. Step 3: Cross multiply
    209,828.90x = 289,554.82 × 119,184.59
  4. Step 4: Simplify right side
    209,828.90x = 34,510,472,930.15
  5. Step 5: Solve for x
    x = 34,510,472,930.15/209,828.90
  6. Step 6: Final answer
    x = 164,469.59

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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.