Home / 102,736.85-154,105.28-28,864.85

Finding the Fourth Proportional to 102,736.85, 154,105.28 and 28,864.85

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Solution

The fourth proportional to 102,736.85, 154,105.28 and 28,864.85 is: 43,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,736.85 : 154,105.28 = 28,864.85 : x
  2. Step 2: Convert to fraction form
    102,736.85/154,105.28 = 28,864.85/x
  3. Step 3: Cross multiply
    102,736.85x = 154,105.28 × 28,864.85
  4. Step 4: Simplify right side
    102,736.85x = 4,448,225,647.08
  5. Step 5: Solve for x
    x = 4,448,225,647.08/102,736.85
  6. Step 6: Final answer
    x = 43,297.28

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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.