Home / 230,830.80-346,343.40-125,725.20

Finding the Fourth Proportional to 230,830.80, 346,343.40 and 125,725.20

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Solution

The fourth proportional to 230,830.80, 346,343.40 and 125,725.20 is: 188,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,830.80 : 346,343.40 = 125,725.20 : x
  2. Step 2: Convert to fraction form
    230,830.80/346,343.40 = 125,725.20/x
  3. Step 3: Cross multiply
    230,830.80x = 346,343.40 × 125,725.20
  4. Step 4: Simplify right side
    230,830.80x = 43,544,093,233.68
  5. Step 5: Solve for x
    x = 43,544,093,233.68/230,830.80
  6. Step 6: Final answer
    x = 188,640.74

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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.