Home / 245,156.14-338,313.46-137,723.91

Finding the Fourth Proportional to 245,156.14, 338,313.46 and 137,723.91

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Solution

The fourth proportional to 245,156.14, 338,313.46 and 137,723.91 is: 190,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,156.14 : 338,313.46 = 137,723.91 : x
  2. Step 2: Convert to fraction form
    245,156.14/338,313.46 = 137,723.91/x
  3. Step 3: Cross multiply
    245,156.14x = 338,313.46 × 137,723.91
  4. Step 4: Simplify right side
    245,156.14x = 46,593,850,480.95
  5. Step 5: Solve for x
    x = 46,593,850,480.95/245,156.14
  6. Step 6: Final answer
    x = 190,057.86

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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.