Home / 235,974.80-325,634.69-137,867.13

Finding the Fourth Proportional to 235,974.80, 325,634.69 and 137,867.13

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Solution

The fourth proportional to 235,974.80, 325,634.69 and 137,867.13 is: 190,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,974.80 : 325,634.69 = 137,867.13 : x
  2. Step 2: Convert to fraction form
    235,974.80/325,634.69 = 137,867.13/x
  3. Step 3: Cross multiply
    235,974.80x = 325,634.69 × 137,867.13
  4. Step 4: Simplify right side
    235,974.80x = 44,894,320,483.41
  5. Step 5: Solve for x
    x = 44,894,320,483.41/235,974.80
  6. Step 6: Final answer
    x = 190,250.48

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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.