Home / 133,905.06-200,717.37-45,127.89

Finding the Fourth Proportional to 133,905.06, 200,717.37 and 45,127.89

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Solution

The fourth proportional to 133,905.06, 200,717.37 and 45,127.89 is: 67,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,905.06 : 200,717.37 = 45,127.89 : x
  2. Step 2: Convert to fraction form
    133,905.06/200,717.37 = 45,127.89/x
  3. Step 3: Cross multiply
    133,905.06x = 200,717.37 × 45,127.89
  4. Step 4: Simplify right side
    133,905.06x = 9,057,951,394.45
  5. Step 5: Solve for x
    x = 9,057,951,394.45/133,905.06
  6. Step 6: Final answer
    x = 67,644.58

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1.5x scale

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.