Home / 102,882.12-154,323.43-55,519.50

Finding the Fourth Proportional to 102,882.12, 154,323.43 and 55,519.50

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Solution

The fourth proportional to 102,882.12, 154,323.43 and 55,519.50 is: 83,279.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,882.12 : 154,323.43 = 55,519.50 : x
  2. Step 2: Convert to fraction form
    102,882.12/154,323.43 = 55,519.50/x
  3. Step 3: Cross multiply
    102,882.12x = 154,323.43 × 55,519.50
  4. Step 4: Simplify right side
    102,882.12x = 8,567,960,029.10
  5. Step 5: Solve for x
    x = 8,567,960,029.10/102,882.12
  6. Step 6: Final answer
    x = 83,279.39

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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.