Home / 209,506.06-289,124.92-118,865.85

Finding the Fourth Proportional to 209,506.06, 289,124.92 and 118,865.85

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Solution

The fourth proportional to 209,506.06, 289,124.92 and 118,865.85 is: 164,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,506.06 : 289,124.92 = 118,865.85 : x
  2. Step 2: Convert to fraction form
    209,506.06/289,124.92 = 118,865.85/x
  3. Step 3: Cross multiply
    209,506.06x = 289,124.92 × 118,865.85
  4. Step 4: Simplify right side
    209,506.06x = 34,367,079,371.98
  5. Step 5: Solve for x
    x = 34,367,079,371.98/209,506.06
  6. Step 6: Final answer
    x = 164,038.59

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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.