Home / 123,739.74-170,760.83-67,151.12

Finding the Fourth Proportional to 123,739.74, 170,760.83 and 67,151.12

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Solution

The fourth proportional to 123,739.74, 170,760.83 and 67,151.12 is: 92,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,739.74 : 170,760.83 = 67,151.12 : x
  2. Step 2: Convert to fraction form
    123,739.74/170,760.83 = 67,151.12/x
  3. Step 3: Cross multiply
    123,739.74x = 170,760.83 × 67,151.12
  4. Step 4: Simplify right side
    123,739.74x = 11,466,780,986.63
  5. Step 5: Solve for x
    x = 11,466,780,986.63/123,739.74
  6. Step 6: Final answer
    x = 92,668.54

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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.