Home / 259,936.40-389,904.60-110,151.20

Finding the Fourth Proportional to 259,936.40, 389,904.60 and 110,151.20

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Solution

The fourth proportional to 259,936.40, 389,904.60 and 110,151.20 is: 165,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,936.40 : 389,904.60 = 110,151.20 : x
  2. Step 2: Convert to fraction form
    259,936.40/389,904.60 = 110,151.20/x
  3. Step 3: Cross multiply
    259,936.40x = 389,904.60 × 110,151.20
  4. Step 4: Simplify right side
    259,936.40x = 42,948,459,575.52
  5. Step 5: Solve for x
    x = 42,948,459,575.52/259,936.40
  6. Step 6: Final answer
    x = 165,226.80

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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.