Home / 188,879.10-282,662.55-173,132.70

Finding the Fourth Proportional to 188,879.10, 282,662.55 and 173,132.70

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Solution

The fourth proportional to 188,879.10, 282,662.55 and 173,132.70 is: 259,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,879.10 : 282,662.55 = 173,132.70 : x
  2. Step 2: Convert to fraction form
    188,879.10/282,662.55 = 173,132.70/x
  3. Step 3: Cross multiply
    188,879.10x = 282,662.55 × 173,132.70
  4. Step 4: Simplify right side
    188,879.10x = 48,938,130,470.39
  5. Step 5: Solve for x
    x = 48,938,130,470.39/188,879.10
  6. Step 6: Final answer
    x = 259,097.65

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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.