Home / 102,014.40-152,865.68-68,610.82

Finding the Fourth Proportional to 102,014.40, 152,865.68 and 68,610.82

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Solution

The fourth proportional to 102,014.40, 152,865.68 and 68,610.82 is: 102,811.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,014.40 : 152,865.68 = 68,610.82 : x
  2. Step 2: Convert to fraction form
    102,014.40/152,865.68 = 68,610.82/x
  3. Step 3: Cross multiply
    102,014.40x = 152,865.68 × 68,610.82
  4. Step 4: Simplify right side
    102,014.40x = 10,488,239,654.66
  5. Step 5: Solve for x
    x = 10,488,239,654.66/102,014.40
  6. Step 6: Final answer
    x = 102,811.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.