Home / 123,546.18-170,489.16-66,956.34

Finding the Fourth Proportional to 123,546.18, 170,489.16 and 66,956.34

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Solution

The fourth proportional to 123,546.18, 170,489.16 and 66,956.34 is: 92,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,546.18 : 170,489.16 = 66,956.34 : x
  2. Step 2: Convert to fraction form
    123,546.18/170,489.16 = 66,956.34/x
  3. Step 3: Cross multiply
    123,546.18x = 170,489.16 × 66,956.34
  4. Step 4: Simplify right side
    123,546.18x = 11,415,330,163.27
  5. Step 5: Solve for x
    x = 11,415,330,163.27/123,546.18
  6. Step 6: Final answer
    x = 92,397.27

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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.