Home / 260,886.20-391,477.02-111,110.92

Finding the Fourth Proportional to 260,886.20, 391,477.02 and 111,110.92

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Solution

The fourth proportional to 260,886.20, 391,477.02 and 111,110.92 is: 166,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,886.20 : 391,477.02 = 111,110.92 : x
  2. Step 2: Convert to fraction form
    260,886.20/391,477.02 = 111,110.92/x
  3. Step 3: Cross multiply
    260,886.20x = 391,477.02 × 111,110.92
  4. Step 4: Simplify right side
    260,886.20x = 43,497,371,851.06
  5. Step 5: Solve for x
    x = 43,497,371,851.06/260,886.20
  6. Step 6: Final answer
    x = 166,729.29

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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.