Home / 188,088.48-259,558.56-103,204.80

Finding the Fourth Proportional to 188,088.48, 259,558.56 and 103,204.80

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Solution

The fourth proportional to 188,088.48, 259,558.56 and 103,204.80 is: 142,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,088.48 : 259,558.56 = 103,204.80 : x
  2. Step 2: Convert to fraction form
    188,088.48/259,558.56 = 103,204.80/x
  3. Step 3: Cross multiply
    188,088.48x = 259,558.56 × 103,204.80
  4. Step 4: Simplify right side
    188,088.48x = 26,787,689,273.09
  5. Step 5: Solve for x
    x = 26,787,689,273.09/188,088.48
  6. Step 6: Final answer
    x = 142,420.68

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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.