Home / 133,308.38-199,962.78-53,382.34

Finding the Fourth Proportional to 133,308.38, 199,962.78 and 53,382.34

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Solution

The fourth proportional to 133,308.38, 199,962.78 and 53,382.34 is: 80,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,308.38 : 199,962.78 = 53,382.34 : x
  2. Step 2: Convert to fraction form
    133,308.38/199,962.78 = 53,382.34/x
  3. Step 3: Cross multiply
    133,308.38x = 199,962.78 × 53,382.34
  4. Step 4: Simplify right side
    133,308.38x = 10,674,481,159.07
  5. Step 5: Solve for x
    x = 10,674,481,159.07/133,308.38
  6. Step 6: Final answer
    x = 80,073.59

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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.