Home / 102,765.26-154,235.37-40,479.50

Finding the Fourth Proportional to 102,765.26, 154,235.37 and 40,479.50

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Solution

The fourth proportional to 102,765.26, 154,235.37 and 40,479.50 is: 60,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,765.26 : 154,235.37 = 40,479.50 : x
  2. Step 2: Convert to fraction form
    102,765.26/154,235.37 = 40,479.50/x
  3. Step 3: Cross multiply
    102,765.26x = 154,235.37 × 40,479.50
  4. Step 4: Simplify right side
    102,765.26x = 6,243,370,659.92
  5. Step 5: Solve for x
    x = 6,243,370,659.92/102,765.26
  6. Step 6: Final answer
    x = 60,753.71

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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.