Home / 188,179.12-259,688.28-103,296.88

Finding the Fourth Proportional to 188,179.12, 259,688.28 and 103,296.88

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Solution

The fourth proportional to 188,179.12, 259,688.28 and 103,296.88 is: 142,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,179.12 : 259,688.28 = 103,296.88 : x
  2. Step 2: Convert to fraction form
    188,179.12/259,688.28 = 103,296.88/x
  3. Step 3: Cross multiply
    188,179.12x = 259,688.28 × 103,296.88
  4. Step 4: Simplify right side
    188,179.12x = 26,824,989,096.57
  5. Step 5: Solve for x
    x = 26,824,989,096.57/188,179.12
  6. Step 6: Final answer
    x = 142,550.30

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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.