Home / 231,036.20-346,505.70-97,920.80

Finding the Fourth Proportional to 231,036.20, 346,505.70 and 97,920.80

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Solution

The fourth proportional to 231,036.20, 346,505.70 and 97,920.80 is: 146,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,036.20 : 346,505.70 = 97,920.80 : x
  2. Step 2: Convert to fraction form
    231,036.20/346,505.70 = 97,920.80/x
  3. Step 3: Cross multiply
    231,036.20x = 346,505.70 × 97,920.80
  4. Step 4: Simplify right side
    231,036.20x = 33,930,115,348.56
  5. Step 5: Solve for x
    x = 33,930,115,348.56/231,036.20
  6. Step 6: Final answer
    x = 146,860.60

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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.