Home / 123,758.36-170,785.52-67,169.76

Finding the Fourth Proportional to 123,758.36, 170,785.52 and 67,169.76

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Solution

The fourth proportional to 123,758.36, 170,785.52 and 67,169.76 is: 92,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,758.36 : 170,785.52 = 67,169.76 : x
  2. Step 2: Convert to fraction form
    123,758.36/170,785.52 = 67,169.76/x
  3. Step 3: Cross multiply
    123,758.36x = 170,785.52 × 67,169.76
  4. Step 4: Simplify right side
    123,758.36x = 11,471,622,389.88
  5. Step 5: Solve for x
    x = 11,471,622,389.88/123,758.36
  6. Step 6: Final answer
    x = 92,693.72

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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.