Home / 137,764.36-206,668.14-58,879

Finding the Fourth Proportional to 137,764.36, 206,668.14 and 58,879

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Solution

The fourth proportional to 137,764.36, 206,668.14 and 58,879 is: 88,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,764.36 : 206,668.14 = 58,879 : x
  2. Step 2: Convert to fraction form
    137,764.36/206,668.14 = 58,879/x
  3. Step 3: Cross multiply
    137,764.36x = 206,668.14 × 58,879
  4. Step 4: Simplify right side
    137,764.36x = 12,168,413,415.06
  5. Step 5: Solve for x
    x = 12,168,413,415.06/137,764.36
  6. Step 6: Final answer
    x = 88,327.73

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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.