Home / 230,949.40-346,539.30-131,186.20

Finding the Fourth Proportional to 230,949.40, 346,539.30 and 131,186.20

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Solution

The fourth proportional to 230,949.40, 346,539.30 and 131,186.20 is: 196,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,949.40 : 346,539.30 = 131,186.20 : x
  2. Step 2: Convert to fraction form
    230,949.40/346,539.30 = 131,186.20/x
  3. Step 3: Cross multiply
    230,949.40x = 346,539.30 × 131,186.20
  4. Step 4: Simplify right side
    230,949.40x = 45,461,173,917.66
  5. Step 5: Solve for x
    x = 45,461,173,917.66/230,949.40
  6. Step 6: Final answer
    x = 196,844.74

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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.