Home / 120,403.77-180,617.54-41,507.61

Finding the Fourth Proportional to 120,403.77, 180,617.54 and 41,507.61

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Solution

The fourth proportional to 120,403.77, 180,617.54 and 41,507.61 is: 62,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,403.77 : 180,617.54 = 41,507.61 : x
  2. Step 2: Convert to fraction form
    120,403.77/180,617.54 = 41,507.61/x
  3. Step 3: Cross multiply
    120,403.77x = 180,617.54 × 41,507.61
  4. Step 4: Simplify right side
    120,403.77x = 7,497,002,201.94
  5. Step 5: Solve for x
    x = 7,497,002,201.94/120,403.77
  6. Step 6: Final answer
    x = 62,265.51

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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.