Home / 102,965.03-154,451.86-36,405.71

Finding the Fourth Proportional to 102,965.03, 154,451.86 and 36,405.71

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Solution

The fourth proportional to 102,965.03, 154,451.86 and 36,405.71 is: 54,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,965.03 : 154,451.86 = 36,405.71 : x
  2. Step 2: Convert to fraction form
    102,965.03/154,451.86 = 36,405.71/x
  3. Step 3: Cross multiply
    102,965.03x = 154,451.86 × 36,405.71
  4. Step 4: Simplify right side
    102,965.03x = 5,622,929,624.12
  5. Step 5: Solve for x
    x = 5,622,929,624.12/102,965.03
  6. Step 6: Final answer
    x = 54,610.09

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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.