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Finding the Fourth Proportional to 133,780.52, 200,620.56 and 43,802.48

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Solution

The fourth proportional to 133,780.52, 200,620.56 and 43,802.48 is: 65,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,780.52 : 200,620.56 = 43,802.48 : x
  2. Step 2: Convert to fraction form
    133,780.52/200,620.56 = 43,802.48/x
  3. Step 3: Cross multiply
    133,780.52x = 200,620.56 × 43,802.48
  4. Step 4: Simplify right side
    133,780.52x = 8,787,678,066.99
  5. Step 5: Solve for x
    x = 8,787,678,066.99/133,780.52
  6. Step 6: Final answer
    x = 65,687.28

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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.