Home / 123,327.05-170,191.32-66,738.42

Finding the Fourth Proportional to 123,327.05, 170,191.32 and 66,738.42

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Solution

The fourth proportional to 123,327.05, 170,191.32 and 66,738.42 is: 92,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,327.05 : 170,191.32 = 66,738.42 : x
  2. Step 2: Convert to fraction form
    123,327.05/170,191.32 = 66,738.42/x
  3. Step 3: Cross multiply
    123,327.05x = 170,191.32 × 66,738.42
  4. Step 4: Simplify right side
    123,327.05x = 11,358,300,683.00
  5. Step 5: Solve for x
    x = 11,358,300,683.00/123,327.05
  6. Step 6: Final answer
    x = 92,099.02

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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.