Home / 128,441.69-192,757.18-60,973.96

Finding the Fourth Proportional to 128,441.69, 192,757.18 and 60,973.96

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Solution

The fourth proportional to 128,441.69, 192,757.18 and 60,973.96 is: 91,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,441.69 : 192,757.18 = 60,973.96 : x
  2. Step 2: Convert to fraction form
    128,441.69/192,757.18 = 60,973.96/x
  3. Step 3: Cross multiply
    128,441.69x = 192,757.18 × 60,973.96
  4. Step 4: Simplify right side
    128,441.69x = 11,753,167,948.71
  5. Step 5: Solve for x
    x = 11,753,167,948.71/128,441.69
  6. Step 6: Final answer
    x = 91,505.86

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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.