Home / 102,144.24-140,901.50-61,297.80

Finding the Fourth Proportional to 102,144.24, 140,901.50 and 61,297.80

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Solution

The fourth proportional to 102,144.24, 140,901.50 and 61,297.80 is: 84,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,144.24 : 140,901.50 = 61,297.80 : x
  2. Step 2: Convert to fraction form
    102,144.24/140,901.50 = 61,297.80/x
  3. Step 3: Cross multiply
    102,144.24x = 140,901.50 × 61,297.80
  4. Step 4: Simplify right side
    102,144.24x = 8,636,951,966.70
  5. Step 5: Solve for x
    x = 8,636,951,966.70/102,144.24
  6. Step 6: Final answer
    x = 84,556.43

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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.