Home / 134,912.43-186,185.39-74,491.65

Finding the Fourth Proportional to 134,912.43, 186,185.39 and 74,491.65

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Solution

The fourth proportional to 134,912.43, 186,185.39 and 74,491.65 is: 102,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,912.43 : 186,185.39 = 74,491.65 : x
  2. Step 2: Convert to fraction form
    134,912.43/186,185.39 = 74,491.65/x
  3. Step 3: Cross multiply
    134,912.43x = 186,185.39 × 74,491.65
  4. Step 4: Simplify right side
    134,912.43x = 13,869,256,534.54
  5. Step 5: Solve for x
    x = 13,869,256,534.54/134,912.43
  6. Step 6: Final answer
    x = 102,801.92

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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.