Home / 159,578.20-239,411.58-69,628.78

Finding the Fourth Proportional to 159,578.20, 239,411.58 and 69,628.78

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Solution

The fourth proportional to 159,578.20, 239,411.58 and 69,628.78 is: 104,462.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,578.20 : 239,411.58 = 69,628.78 : x
  2. Step 2: Convert to fraction form
    159,578.20/239,411.58 = 69,628.78/x
  3. Step 3: Cross multiply
    159,578.20x = 239,411.58 × 69,628.78
  4. Step 4: Simplify right side
    159,578.20x = 16,669,936,233.27
  5. Step 5: Solve for x
    x = 16,669,936,233.27/159,578.20
  6. Step 6: Final answer
    x = 104,462.49

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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.