Home / 231,245.40-346,932.90-112,920.60

Finding the Fourth Proportional to 231,245.40, 346,932.90 and 112,920.60

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Solution

The fourth proportional to 231,245.40, 346,932.90 and 112,920.60 is: 169,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,245.40 : 346,932.90 = 112,920.60 : x
  2. Step 2: Convert to fraction form
    231,245.40/346,932.90 = 112,920.60/x
  3. Step 3: Cross multiply
    231,245.40x = 346,932.90 × 112,920.60
  4. Step 4: Simplify right side
    231,245.40x = 39,175,871,227.74
  5. Step 5: Solve for x
    x = 39,175,871,227.74/231,245.40
  6. Step 6: Final answer
    x = 169,412.54

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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.