Home / 131,775.28-197,694.40-43,028.96

Finding the Fourth Proportional to 131,775.28, 197,694.40 and 43,028.96

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Solution

The fourth proportional to 131,775.28, 197,694.40 and 43,028.96 is: 64,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,775.28 : 197,694.40 = 43,028.96 : x
  2. Step 2: Convert to fraction form
    131,775.28/197,694.40 = 43,028.96/x
  3. Step 3: Cross multiply
    131,775.28x = 197,694.40 × 43,028.96
  4. Step 4: Simplify right side
    131,775.28x = 8,506,584,429.82
  5. Step 5: Solve for x
    x = 8,506,584,429.82/131,775.28
  6. Step 6: Final answer
    x = 64,553.72

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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.