Home / 139,498.19-192,508.62-75,835.84

Finding the Fourth Proportional to 139,498.19, 192,508.62 and 75,835.84

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Solution

The fourth proportional to 139,498.19, 192,508.62 and 75,835.84 is: 104,654.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,498.19 : 192,508.62 = 75,835.84 : x
  2. Step 2: Convert to fraction form
    139,498.19/192,508.62 = 75,835.84/x
  3. Step 3: Cross multiply
    139,498.19x = 192,508.62 × 75,835.84
  4. Step 4: Simplify right side
    139,498.19x = 14,599,052,904.94
  5. Step 5: Solve for x
    x = 14,599,052,904.94/139,498.19
  6. Step 6: Final answer
    x = 104,654.07

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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.