Home / 102,109.74-140,890.62-59,660.07

Finding the Fourth Proportional to 102,109.74, 140,890.62 and 59,660.07

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Solution

The fourth proportional to 102,109.74, 140,890.62 and 59,660.07 is: 82,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,109.74 : 140,890.62 = 59,660.07 : x
  2. Step 2: Convert to fraction form
    102,109.74/140,890.62 = 59,660.07/x
  3. Step 3: Cross multiply
    102,109.74x = 140,890.62 × 59,660.07
  4. Step 4: Simplify right side
    102,109.74x = 8,405,544,251.54
  5. Step 5: Solve for x
    x = 8,405,544,251.54/102,109.74
  6. Step 6: Final answer
    x = 82,318.73

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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.