Home / 123,296.42-170,149.06-66,707.80

Finding the Fourth Proportional to 123,296.42, 170,149.06 and 66,707.80

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Solution

The fourth proportional to 123,296.42, 170,149.06 and 66,707.80 is: 92,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,296.42 : 170,149.06 = 66,707.80 : x
  2. Step 2: Convert to fraction form
    123,296.42/170,149.06 = 66,707.80/x
  3. Step 3: Cross multiply
    123,296.42x = 170,149.06 × 66,707.80
  4. Step 4: Simplify right side
    123,296.42x = 11,350,268,613.92
  5. Step 5: Solve for x
    x = 11,350,268,613.92/123,296.42
  6. Step 6: Final answer
    x = 92,056.76

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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.