Home / 259,860.02-389,815.50-108,025.70

Finding the Fourth Proportional to 259,860.02, 389,815.50 and 108,025.70

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Solution

The fourth proportional to 259,860.02, 389,815.50 and 108,025.70 is: 162,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,860.02 : 389,815.50 = 108,025.70 : x
  2. Step 2: Convert to fraction form
    259,860.02/389,815.50 = 108,025.70/x
  3. Step 3: Cross multiply
    259,860.02x = 389,815.50 × 108,025.70
  4. Step 4: Simplify right side
    259,860.02x = 42,110,092,258.35
  5. Step 5: Solve for x
    x = 42,110,092,258.35/259,860.02
  6. Step 6: Final answer
    x = 162,049.14

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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.