Home / 123,760.77-170,789.96-67,172.13

Finding the Fourth Proportional to 123,760.77, 170,789.96 and 67,172.13

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Solution

The fourth proportional to 123,760.77, 170,789.96 and 67,172.13 is: 92,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,760.77 : 170,789.96 = 67,172.13 : x
  2. Step 2: Convert to fraction form
    123,760.77/170,789.96 = 67,172.13/x
  3. Step 3: Cross multiply
    123,760.77x = 170,789.96 × 67,172.13
  4. Step 4: Simplify right side
    123,760.77x = 11,472,325,395.81
  5. Step 5: Solve for x
    x = 11,472,325,395.81/123,760.77
  6. Step 6: Final answer
    x = 92,697.59

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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.