Home / 260,648.05-391,004.27-92,133.62

Finding the Fourth Proportional to 260,648.05, 391,004.27 and 92,133.62

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Solution

The fourth proportional to 260,648.05, 391,004.27 and 92,133.62 is: 138,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,648.05 : 391,004.27 = 92,133.62 : x
  2. Step 2: Convert to fraction form
    260,648.05/391,004.27 = 92,133.62/x
  3. Step 3: Cross multiply
    260,648.05x = 391,004.27 × 92,133.62
  4. Step 4: Simplify right side
    260,648.05x = 36,024,638,830.56
  5. Step 5: Solve for x
    x = 36,024,638,830.56/260,648.05
  6. Step 6: Final answer
    x = 138,211.81

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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.