Home / 133,972.80-200,979.45-43,985.58

Finding the Fourth Proportional to 133,972.80, 200,979.45 and 43,985.58

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Solution

The fourth proportional to 133,972.80, 200,979.45 and 43,985.58 is: 65,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,972.80 : 200,979.45 = 43,985.58 : x
  2. Step 2: Convert to fraction form
    133,972.80/200,979.45 = 43,985.58/x
  3. Step 3: Cross multiply
    133,972.80x = 200,979.45 × 43,985.58
  4. Step 4: Simplify right side
    133,972.80x = 8,840,197,676.33
  5. Step 5: Solve for x
    x = 8,840,197,676.33/133,972.80
  6. Step 6: Final answer
    x = 65,985.02

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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.