Home / 133,020.60-199,357.64-54,042.50

Finding the Fourth Proportional to 133,020.60, 199,357.64 and 54,042.50

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Solution

The fourth proportional to 133,020.60, 199,357.64 and 54,042.50 is: 80,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020.60 : 199,357.64 = 54,042.50 : x
  2. Step 2: Convert to fraction form
    133,020.60/199,357.64 = 54,042.50/x
  3. Step 3: Cross multiply
    133,020.60x = 199,357.64 × 54,042.50
  4. Step 4: Simplify right side
    133,020.60x = 10,773,785,259.70
  5. Step 5: Solve for x
    x = 10,773,785,259.70/133,020.60
  6. Step 6: Final answer
    x = 80,993.36

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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.