Home / 231,120.40-346,507.80-97,891.60

Finding the Fourth Proportional to 231,120.40, 346,507.80 and 97,891.60

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Solution

The fourth proportional to 231,120.40, 346,507.80 and 97,891.60 is: 146,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,120.40 : 346,507.80 = 97,891.60 : x
  2. Step 2: Convert to fraction form
    231,120.40/346,507.80 = 97,891.60/x
  3. Step 3: Cross multiply
    231,120.40x = 346,507.80 × 97,891.60
  4. Step 4: Simplify right side
    231,120.40x = 33,920,202,954.48
  5. Step 5: Solve for x
    x = 33,920,202,954.48/231,120.40
  6. Step 6: Final answer
    x = 146,764.21

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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.