Home / 102,034.44-140,785.92-61,740.36

Finding the Fourth Proportional to 102,034.44, 140,785.92 and 61,740.36

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Solution

The fourth proportional to 102,034.44, 140,785.92 and 61,740.36 is: 85,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,034.44 : 140,785.92 = 61,740.36 : x
  2. Step 2: Convert to fraction form
    102,034.44/140,785.92 = 61,740.36/x
  3. Step 3: Cross multiply
    102,034.44x = 140,785.92 × 61,740.36
  4. Step 4: Simplify right side
    102,034.44x = 8,692,173,383.73
  5. Step 5: Solve for x
    x = 8,692,173,383.73/102,034.44
  6. Step 6: Final answer
    x = 85,188.62

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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.