Home / 124,121.71-171,288.30-67,533.09

Finding the Fourth Proportional to 124,121.71, 171,288.30 and 67,533.09

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Solution

The fourth proportional to 124,121.71, 171,288.30 and 67,533.09 is: 93,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,121.71 : 171,288.30 = 67,533.09 : x
  2. Step 2: Convert to fraction form
    124,121.71/171,288.30 = 67,533.09/x
  3. Step 3: Cross multiply
    124,121.71x = 171,288.30 × 67,533.09
  4. Step 4: Simplify right side
    124,121.71x = 11,567,628,179.85
  5. Step 5: Solve for x
    x = 11,567,628,179.85/124,121.71
  6. Step 6: Final answer
    x = 93,195.85

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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.