Home / 260,647.92-391,004.07-92,133.51

Finding the Fourth Proportional to 260,647.92, 391,004.07 and 92,133.51

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Solution

The fourth proportional to 260,647.92, 391,004.07 and 92,133.51 is: 138,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,647.92 : 391,004.07 = 92,133.51 : x
  2. Step 2: Convert to fraction form
    260,647.92/391,004.07 = 92,133.51/x
  3. Step 3: Cross multiply
    260,647.92x = 391,004.07 × 92,133.51
  4. Step 4: Simplify right side
    260,647.92x = 36,024,577,393.39
  5. Step 5: Solve for x
    x = 36,024,577,393.39/260,647.92
  6. Step 6: Final answer
    x = 138,211.64

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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.