Home / 188,541.36-260,188.80-103,659

Finding the Fourth Proportional to 188,541.36, 260,188.80 and 103,659

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Solution

The fourth proportional to 188,541.36, 260,188.80 and 103,659 is: 143,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,541.36 : 260,188.80 = 103,659 : x
  2. Step 2: Convert to fraction form
    188,541.36/260,188.80 = 103,659/x
  3. Step 3: Cross multiply
    188,541.36x = 260,188.80 × 103,659
  4. Step 4: Simplify right side
    188,541.36x = 26,970,910,819.20
  5. Step 5: Solve for x
    x = 26,970,910,819.20/188,541.36
  6. Step 6: Final answer
    x = 143,050.37

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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.