Home / 133,721.78-199,404.12-132,522.58

Finding the Fourth Proportional to 133,721.78, 199,404.12 and 132,522.58

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Solution

The fourth proportional to 133,721.78, 199,404.12 and 132,522.58 is: 197,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,721.78 : 199,404.12 = 132,522.58 : x
  2. Step 2: Convert to fraction form
    133,721.78/199,404.12 = 132,522.58/x
  3. Step 3: Cross multiply
    133,721.78x = 199,404.12 × 132,522.58
  4. Step 4: Simplify right side
    133,721.78x = 26,425,546,785.40
  5. Step 5: Solve for x
    x = 26,425,546,785.40/133,721.78
  6. Step 6: Final answer
    x = 197,615.88

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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.