Home / 126,143.22-174,077.46-69,554.73

Finding the Fourth Proportional to 126,143.22, 174,077.46 and 69,554.73

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Solution

The fourth proportional to 126,143.22, 174,077.46 and 69,554.73 is: 95,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,143.22 : 174,077.46 = 69,554.73 : x
  2. Step 2: Convert to fraction form
    126,143.22/174,077.46 = 69,554.73/x
  3. Step 3: Cross multiply
    126,143.22x = 174,077.46 × 69,554.73
  4. Step 4: Simplify right side
    126,143.22x = 12,107,910,729.39
  5. Step 5: Solve for x
    x = 12,107,910,729.39/126,143.22
  6. Step 6: Final answer
    x = 95,985.43

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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.