Home / 245,110.73-338,200.34-143,089.89

Finding the Fourth Proportional to 245,110.73, 338,200.34 and 143,089.89

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Solution

The fourth proportional to 245,110.73, 338,200.34 and 143,089.89 is: 197,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,110.73 : 338,200.34 = 143,089.89 : x
  2. Step 2: Convert to fraction form
    245,110.73/338,200.34 = 143,089.89/x
  3. Step 3: Cross multiply
    245,110.73x = 338,200.34 × 143,089.89
  4. Step 4: Simplify right side
    245,110.73x = 48,393,049,448.56
  5. Step 5: Solve for x
    x = 48,393,049,448.56/245,110.73
  6. Step 6: Final answer
    x = 197,433.42

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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.