Home / 157,771.35-219,194.25-155,879.65

Finding the Fourth Proportional to 157,771.35, 219,194.25 and 155,879.65

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Solution

The fourth proportional to 157,771.35, 219,194.25 and 155,879.65 is: 216,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,771.35 : 219,194.25 = 155,879.65 : x
  2. Step 2: Convert to fraction form
    157,771.35/219,194.25 = 155,879.65/x
  3. Step 3: Cross multiply
    157,771.35x = 219,194.25 × 155,879.65
  4. Step 4: Simplify right side
    157,771.35x = 34,167,922,972.01
  5. Step 5: Solve for x
    x = 34,167,922,972.01/157,771.35
  6. Step 6: Final answer
    x = 216,566.08

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.