Home / 259,486.12-388,994.94-93,235.24

Finding the Fourth Proportional to 259,486.12, 388,994.94 and 93,235.24

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Solution

The fourth proportional to 259,486.12, 388,994.94 and 93,235.24 is: 139,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,486.12 : 388,994.94 = 93,235.24 : x
  2. Step 2: Convert to fraction form
    259,486.12/388,994.94 = 93,235.24/x
  3. Step 3: Cross multiply
    259,486.12x = 388,994.94 × 93,235.24
  4. Step 4: Simplify right side
    259,486.12x = 36,268,036,589.69
  5. Step 5: Solve for x
    x = 36,268,036,589.69/259,486.12
  6. Step 6: Final answer
    x = 139,768.70

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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.