Home / 149,839.92-223,491.78-129,960.36

Finding the Fourth Proportional to 149,839.92, 223,491.78 and 129,960.36

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Solution

The fourth proportional to 149,839.92, 223,491.78 and 129,960.36 is: 193,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,839.92 : 223,491.78 = 129,960.36 : x
  2. Step 2: Convert to fraction form
    149,839.92/223,491.78 = 129,960.36/x
  3. Step 3: Cross multiply
    149,839.92x = 223,491.78 × 129,960.36
  4. Step 4: Simplify right side
    149,839.92x = 29,045,072,185.84
  5. Step 5: Solve for x
    x = 29,045,072,185.84/149,839.92
  6. Step 6: Final answer
    x = 193,840.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.