Home / 126,675.66-190,013.54-31,906.63

Finding the Fourth Proportional to 126,675.66, 190,013.54 and 31,906.63

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Solution

The fourth proportional to 126,675.66, 190,013.54 and 31,906.63 is: 47,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,675.66 : 190,013.54 = 31,906.63 : x
  2. Step 2: Convert to fraction form
    126,675.66/190,013.54 = 31,906.63/x
  3. Step 3: Cross multiply
    126,675.66x = 190,013.54 × 31,906.63
  4. Step 4: Simplify right side
    126,675.66x = 6,062,691,973.23
  5. Step 5: Solve for x
    x = 6,062,691,973.23/126,675.66
  6. Step 6: Final answer
    x = 47,859.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.