Home / 133,619.40-200,429.10-124,806.60

Finding the Fourth Proportional to 133,619.40, 200,429.10 and 124,806.60

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Solution

The fourth proportional to 133,619.40, 200,429.10 and 124,806.60 is: 187,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,619.40 : 200,429.10 = 124,806.60 : x
  2. Step 2: Convert to fraction form
    133,619.40/200,429.10 = 124,806.60/x
  3. Step 3: Cross multiply
    133,619.40x = 200,429.10 × 124,806.60
  4. Step 4: Simplify right side
    133,619.40x = 25,014,874,512.06
  5. Step 5: Solve for x
    x = 25,014,874,512.06/133,619.40
  6. Step 6: Final answer
    x = 187,209.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.