Home / 231,081.20-346,330.20-112,497.20

Finding the Fourth Proportional to 231,081.20, 346,330.20 and 112,497.20

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Solution

The fourth proportional to 231,081.20, 346,330.20 and 112,497.20 is: 168,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,081.20 : 346,330.20 = 112,497.20 : x
  2. Step 2: Convert to fraction form
    231,081.20/346,330.20 = 112,497.20/x
  3. Step 3: Cross multiply
    231,081.20x = 346,330.20 × 112,497.20
  4. Step 4: Simplify right side
    231,081.20x = 38,961,177,775.44
  5. Step 5: Solve for x
    x = 38,961,177,775.44/231,081.20
  6. Step 6: Final answer
    x = 168,603.84

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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.