Home / 205,836.66-309,038.33-104,703.16

Finding the Fourth Proportional to 205,836.66, 309,038.33 and 104,703.16

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Solution

The fourth proportional to 205,836.66, 309,038.33 and 104,703.16 is: 157,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,836.66 : 309,038.33 = 104,703.16 : x
  2. Step 2: Convert to fraction form
    205,836.66/309,038.33 = 104,703.16/x
  3. Step 3: Cross multiply
    205,836.66x = 309,038.33 × 104,703.16
  4. Step 4: Simplify right side
    205,836.66x = 32,357,289,819.37
  5. Step 5: Solve for x
    x = 32,357,289,819.37/205,836.66
  6. Step 6: Final answer
    x = 157,198.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.