Home / 219,479.33-302,906.04-123,992.17

Finding the Fourth Proportional to 219,479.33, 302,906.04 and 123,992.17

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Solution

The fourth proportional to 219,479.33, 302,906.04 and 123,992.17 is: 171,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,479.33 : 302,906.04 = 123,992.17 : x
  2. Step 2: Convert to fraction form
    219,479.33/302,906.04 = 123,992.17/x
  3. Step 3: Cross multiply
    219,479.33x = 302,906.04 × 123,992.17
  4. Step 4: Simplify right side
    219,479.33x = 37,557,977,205.71
  5. Step 5: Solve for x
    x = 37,557,977,205.71/219,479.33
  6. Step 6: Final answer
    x = 171,123.07

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1.5x scale

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.