Home / 131,938.10-197,902.29-57,077.09

Finding the Fourth Proportional to 131,938.10, 197,902.29 and 57,077.09

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Solution

The fourth proportional to 131,938.10, 197,902.29 and 57,077.09 is: 85,613.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,938.10 : 197,902.29 = 57,077.09 : x
  2. Step 2: Convert to fraction form
    131,938.10/197,902.29 = 57,077.09/x
  3. Step 3: Cross multiply
    131,938.10x = 197,902.29 × 57,077.09
  4. Step 4: Simplify right side
    131,938.10x = 11,295,686,817.54
  5. Step 5: Solve for x
    x = 11,295,686,817.54/131,938.10
  6. Step 6: Final answer
    x = 85,613.53

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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.