Home / 133,520.81-200,287.69-43,563.35

Finding the Fourth Proportional to 133,520.81, 200,287.69 and 43,563.35

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Solution

The fourth proportional to 133,520.81, 200,287.69 and 43,563.35 is: 65,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,520.81 : 200,287.69 = 43,563.35 : x
  2. Step 2: Convert to fraction form
    133,520.81/200,287.69 = 43,563.35/x
  3. Step 3: Cross multiply
    133,520.81x = 200,287.69 × 43,563.35
  4. Step 4: Simplify right side
    133,520.81x = 8,725,203,131.97
  5. Step 5: Solve for x
    x = 8,725,203,131.97/133,520.81
  6. Step 6: Final answer
    x = 65,347.14

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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.