Home / 112,188.39-154,821.87-61,201.14

Finding the Fourth Proportional to 112,188.39, 154,821.87 and 61,201.14

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Solution

The fourth proportional to 112,188.39, 154,821.87 and 61,201.14 is: 84,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,188.39 : 154,821.87 = 61,201.14 : x
  2. Step 2: Convert to fraction form
    112,188.39/154,821.87 = 61,201.14/x
  3. Step 3: Cross multiply
    112,188.39x = 154,821.87 × 61,201.14
  4. Step 4: Simplify right side
    112,188.39x = 9,475,274,940.93
  5. Step 5: Solve for x
    x = 9,475,274,940.93/112,188.39
  6. Step 6: Final answer
    x = 84,458.61

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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.