Home / 123,327.30-170,191.67-66,738.67

Finding the Fourth Proportional to 123,327.30, 170,191.67 and 66,738.67

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Solution

The fourth proportional to 123,327.30, 170,191.67 and 66,738.67 is: 92,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,327.30 : 170,191.67 = 66,738.67 : x
  2. Step 2: Convert to fraction form
    123,327.30/170,191.67 = 66,738.67/x
  3. Step 3: Cross multiply
    123,327.30x = 170,191.67 × 66,738.67
  4. Step 4: Simplify right side
    123,327.30x = 11,358,365,700.88
  5. Step 5: Solve for x
    x = 11,358,365,700.88/123,327.30
  6. Step 6: Final answer
    x = 92,099.37

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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.