Home / 260,659.94-391,022.10-92,145.51

Finding the Fourth Proportional to 260,659.94, 391,022.10 and 92,145.51

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Solution

The fourth proportional to 260,659.94, 391,022.10 and 92,145.51 is: 138,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,659.94 : 391,022.10 = 92,145.51 : x
  2. Step 2: Convert to fraction form
    260,659.94/391,022.10 = 92,145.51/x
  3. Step 3: Cross multiply
    260,659.94x = 391,022.10 × 92,145.51
  4. Step 4: Simplify right side
    260,659.94x = 36,030,930,825.77
  5. Step 5: Solve for x
    x = 36,030,930,825.77/260,659.94
  6. Step 6: Final answer
    x = 138,229.65

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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.