Home / 123,231.07-170,059.57-68,785.71

Finding the Fourth Proportional to 123,231.07, 170,059.57 and 68,785.71

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Solution

The fourth proportional to 123,231.07, 170,059.57 and 68,785.71 is: 94,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,231.07 : 170,059.57 = 68,785.71 : x
  2. Step 2: Convert to fraction form
    123,231.07/170,059.57 = 68,785.71/x
  3. Step 3: Cross multiply
    123,231.07x = 170,059.57 × 68,785.71
  4. Step 4: Simplify right side
    123,231.07x = 11,697,667,455.06
  5. Step 5: Solve for x
    x = 11,697,667,455.06/123,231.07
  6. Step 6: Final answer
    x = 94,924.66

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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.