Home / 215,930.25-297,903.42-125,235.36

Finding the Fourth Proportional to 215,930.25, 297,903.42 and 125,235.36

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Solution

The fourth proportional to 215,930.25, 297,903.42 and 125,235.36 is: 172,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,930.25 : 297,903.42 = 125,235.36 : x
  2. Step 2: Convert to fraction form
    215,930.25/297,903.42 = 125,235.36/x
  3. Step 3: Cross multiply
    215,930.25x = 297,903.42 × 125,235.36
  4. Step 4: Simplify right side
    215,930.25x = 37,308,042,048.93
  5. Step 5: Solve for x
    x = 37,308,042,048.93/215,930.25
  6. Step 6: Final answer
    x = 172,778.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.