Home / 100,324.80-150,518.40-41,165.28

Finding the Fourth Proportional to 100,324.80, 150,518.40 and 41,165.28

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Solution

The fourth proportional to 100,324.80, 150,518.40 and 41,165.28 is: 61,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,324.80 : 150,518.40 = 41,165.28 : x
  2. Step 2: Convert to fraction form
    100,324.80/150,518.40 = 41,165.28/x
  3. Step 3: Cross multiply
    100,324.80x = 150,518.40 × 41,165.28
  4. Step 4: Simplify right side
    100,324.80x = 6,196,132,081.15
  5. Step 5: Solve for x
    x = 6,196,132,081.15/100,324.80
  6. Step 6: Final answer
    x = 61,760.72

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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.