Home / 157,819.98-217,782.74-89,853.54

Finding the Fourth Proportional to 157,819.98, 217,782.74 and 89,853.54

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Solution

The fourth proportional to 157,819.98, 217,782.74 and 89,853.54 is: 123,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,819.98 : 217,782.74 = 89,853.54 : x
  2. Step 2: Convert to fraction form
    157,819.98/217,782.74 = 89,853.54/x
  3. Step 3: Cross multiply
    157,819.98x = 217,782.74 × 89,853.54
  4. Step 4: Simplify right side
    157,819.98x = 19,568,550,139.90
  5. Step 5: Solve for x
    x = 19,568,550,139.90/157,819.98
  6. Step 6: Final answer
    x = 123,992.86

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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.