Home / 126,731.40-174,897.45-73,015.44

Finding the Fourth Proportional to 126,731.40, 174,897.45 and 73,015.44

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Solution

The fourth proportional to 126,731.40, 174,897.45 and 73,015.44 is: 100,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731.40 : 174,897.45 = 73,015.44 : x
  2. Step 2: Convert to fraction form
    126,731.40/174,897.45 = 73,015.44/x
  3. Step 3: Cross multiply
    126,731.40x = 174,897.45 × 73,015.44
  4. Step 4: Simplify right side
    126,731.40x = 12,770,214,266.63
  5. Step 5: Solve for x
    x = 12,770,214,266.63/126,731.40
  6. Step 6: Final answer
    x = 100,765.98

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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.