Home / 102,786.72-154,184.58-35,365.20

Finding the Fourth Proportional to 102,786.72, 154,184.58 and 35,365.20

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Solution

The fourth proportional to 102,786.72, 154,184.58 and 35,365.20 is: 53,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,786.72 : 154,184.58 = 35,365.20 : x
  2. Step 2: Convert to fraction form
    102,786.72/154,184.58 = 35,365.20/x
  3. Step 3: Cross multiply
    102,786.72x = 154,184.58 × 35,365.20
  4. Step 4: Simplify right side
    102,786.72x = 5,452,768,508.62
  5. Step 5: Solve for x
    x = 5,452,768,508.62/102,786.72
  6. Step 6: Final answer
    x = 53,049.35

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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.