Home / 131,397.57-197,109.26-35,333.60

Finding the Fourth Proportional to 131,397.57, 197,109.26 and 35,333.60

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Solution

The fourth proportional to 131,397.57, 197,109.26 and 35,333.60 is: 53,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,397.57 : 197,109.26 = 35,333.60 : x
  2. Step 2: Convert to fraction form
    131,397.57/197,109.26 = 35,333.60/x
  3. Step 3: Cross multiply
    131,397.57x = 197,109.26 × 35,333.60
  4. Step 4: Simplify right side
    131,397.57x = 6,964,579,344.70
  5. Step 5: Solve for x
    x = 6,964,579,344.70/131,397.57
  6. Step 6: Final answer
    x = 53,003.87

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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.