Home / 123,297.09-170,151.09-66,709.59

Finding the Fourth Proportional to 123,297.09, 170,151.09 and 66,709.59

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Solution

The fourth proportional to 123,297.09, 170,151.09 and 66,709.59 is: 92,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,297.09 : 170,151.09 = 66,709.59 : x
  2. Step 2: Convert to fraction form
    123,297.09/170,151.09 = 66,709.59/x
  3. Step 3: Cross multiply
    123,297.09x = 170,151.09 × 66,709.59
  4. Step 4: Simplify right side
    123,297.09x = 11,350,709,451.95
  5. Step 5: Solve for x
    x = 11,350,709,451.95/123,297.09
  6. Step 6: Final answer
    x = 92,059.83

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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.