Home / 245,180.22-338,382.81-137,758.56

Finding the Fourth Proportional to 245,180.22, 338,382.81 and 137,758.56

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Solution

The fourth proportional to 245,180.22, 338,382.81 and 137,758.56 is: 190,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,180.22 : 338,382.81 = 137,758.56 : x
  2. Step 2: Convert to fraction form
    245,180.22/338,382.81 = 137,758.56/x
  3. Step 3: Cross multiply
    245,180.22x = 338,382.81 × 137,758.56
  4. Step 4: Simplify right side
    245,180.22x = 46,615,128,634.35
  5. Step 5: Solve for x
    x = 46,615,128,634.35/245,180.22
  6. Step 6: Final answer
    x = 190,125.98

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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.