Home / 188,106.96-259,590.84-103,231.92

Finding the Fourth Proportional to 188,106.96, 259,590.84 and 103,231.92

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Solution

The fourth proportional to 188,106.96, 259,590.84 and 103,231.92 is: 142,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,106.96 : 259,590.84 = 103,231.92 : x
  2. Step 2: Convert to fraction form
    188,106.96/259,590.84 = 103,231.92/x
  3. Step 3: Cross multiply
    188,106.96x = 259,590.84 × 103,231.92
  4. Step 4: Simplify right side
    188,106.96x = 26,798,060,827.61
  5. Step 5: Solve for x
    x = 26,798,060,827.61/188,106.96
  6. Step 6: Final answer
    x = 142,461.83

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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.