Home / 245,124.37-338,253.18-137,673.41

Finding the Fourth Proportional to 245,124.37, 338,253.18 and 137,673.41

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Solution

The fourth proportional to 245,124.37, 338,253.18 and 137,673.41 is: 189,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,124.37 : 338,253.18 = 137,673.41 : x
  2. Step 2: Convert to fraction form
    245,124.37/338,253.18 = 137,673.41/x
  3. Step 3: Cross multiply
    245,124.37x = 338,253.18 × 137,673.41
  4. Step 4: Simplify right side
    245,124.37x = 46,568,468,733.94
  5. Step 5: Solve for x
    x = 46,568,468,733.94/245,124.37
  6. Step 6: Final answer
    x = 189,978.95

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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.