Home / 245,314.04-338,542.97-137,883.74

Finding the Fourth Proportional to 245,314.04, 338,542.97 and 137,883.74

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Solution

The fourth proportional to 245,314.04, 338,542.97 and 137,883.74 is: 190,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,314.04 : 338,542.97 = 137,883.74 : x
  2. Step 2: Convert to fraction form
    245,314.04/338,542.97 = 137,883.74/x
  3. Step 3: Cross multiply
    245,314.04x = 338,542.97 × 137,883.74
  4. Step 4: Simplify right side
    245,314.04x = 46,679,568,472.17
  5. Step 5: Solve for x
    x = 46,679,568,472.17/245,314.04
  6. Step 6: Final answer
    x = 190,284.95

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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.