Home / 188,113.08-259,555.50-108,579

Finding the Fourth Proportional to 188,113.08, 259,555.50 and 108,579

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Solution

The fourth proportional to 188,113.08, 259,555.50 and 108,579 is: 149,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,113.08 : 259,555.50 = 108,579 : x
  2. Step 2: Convert to fraction form
    188,113.08/259,555.50 = 108,579/x
  3. Step 3: Cross multiply
    188,113.08x = 259,555.50 × 108,579
  4. Step 4: Simplify right side
    188,113.08x = 28,182,276,634.50
  5. Step 5: Solve for x
    x = 28,182,276,634.50/188,113.08
  6. Step 6: Final answer
    x = 149,815.61

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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.