Home / 100,291.08-150,455.64-40,324.20

Finding the Fourth Proportional to 100,291.08, 150,455.64 and 40,324.20

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Solution

The fourth proportional to 100,291.08, 150,455.64 and 40,324.20 is: 60,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,291.08 : 150,455.64 = 40,324.20 : x
  2. Step 2: Convert to fraction form
    100,291.08/150,455.64 = 40,324.20/x
  3. Step 3: Cross multiply
    100,291.08x = 150,455.64 × 40,324.20
  4. Step 4: Simplify right side
    100,291.08x = 6,067,003,318.49
  5. Step 5: Solve for x
    x = 6,067,003,318.49/100,291.08
  6. Step 6: Final answer
    x = 60,493.95

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1.5x scale

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.