Home / 171,308.07-236,630.97-131,513.58

Finding the Fourth Proportional to 171,308.07, 236,630.97 and 131,513.58

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Solution

The fourth proportional to 171,308.07, 236,630.97 and 131,513.58 is: 181,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,308.07 : 236,630.97 = 131,513.58 : x
  2. Step 2: Convert to fraction form
    171,308.07/236,630.97 = 131,513.58/x
  3. Step 3: Cross multiply
    171,308.07x = 236,630.97 × 131,513.58
  4. Step 4: Simplify right side
    171,308.07x = 31,120,186,003.57
  5. Step 5: Solve for x
    x = 31,120,186,003.57/171,308.07
  6. Step 6: Final answer
    x = 181,662.11

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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.