Home / 129,664.86-194,574.33-55,792.86

Finding the Fourth Proportional to 129,664.86, 194,574.33 and 55,792.86

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Solution

The fourth proportional to 129,664.86, 194,574.33 and 55,792.86 is: 83,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,664.86 : 194,574.33 = 55,792.86 : x
  2. Step 2: Convert to fraction form
    129,664.86/194,574.33 = 55,792.86/x
  3. Step 3: Cross multiply
    129,664.86x = 194,574.33 × 55,792.86
  4. Step 4: Simplify right side
    129,664.86x = 10,855,858,353.28
  5. Step 5: Solve for x
    x = 10,855,858,353.28/129,664.86
  6. Step 6: Final answer
    x = 83,722.44

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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.