Home / 245,035.11-338,123.25-137,604.27

Finding the Fourth Proportional to 245,035.11, 338,123.25 and 137,604.27

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Solution

The fourth proportional to 245,035.11, 338,123.25 and 137,604.27 is: 189,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,035.11 : 338,123.25 = 137,604.27 : x
  2. Step 2: Convert to fraction form
    245,035.11/338,123.25 = 137,604.27/x
  3. Step 3: Cross multiply
    245,035.11x = 338,123.25 × 137,604.27
  4. Step 4: Simplify right side
    245,035.11x = 46,527,202,986.28
  5. Step 5: Solve for x
    x = 46,527,202,986.28/245,035.11
  6. Step 6: Final answer
    x = 189,879.74

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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.