Home / 133,781.52-200,622.06-43,803.48

Finding the Fourth Proportional to 133,781.52, 200,622.06 and 43,803.48

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Solution

The fourth proportional to 133,781.52, 200,622.06 and 43,803.48 is: 65,688.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,781.52 : 200,622.06 = 43,803.48 : x
  2. Step 2: Convert to fraction form
    133,781.52/200,622.06 = 43,803.48/x
  3. Step 3: Cross multiply
    133,781.52x = 200,622.06 × 43,803.48
  4. Step 4: Simplify right side
    133,781.52x = 8,787,944,392.77
  5. Step 5: Solve for x
    x = 8,787,944,392.77/133,781.52
  6. Step 6: Final answer
    x = 65,688.78

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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.