Home / 238,480.45-329,087.53-136,506.71

Finding the Fourth Proportional to 238,480.45, 329,087.53 and 136,506.71

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Solution

The fourth proportional to 238,480.45, 329,087.53 and 136,506.71 is: 188,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,480.45 : 329,087.53 = 136,506.71 : x
  2. Step 2: Convert to fraction form
    238,480.45/329,087.53 = 136,506.71/x
  3. Step 3: Cross multiply
    238,480.45x = 329,087.53 × 136,506.71
  4. Step 4: Simplify right side
    238,480.45x = 44,922,656,022.33
  5. Step 5: Solve for x
    x = 44,922,656,022.33/238,480.45
  6. Step 6: Final answer
    x = 188,370.39

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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.