Home / 141,898.45-195,821.39-77,367.16

Finding the Fourth Proportional to 141,898.45, 195,821.39 and 77,367.16

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Solution

The fourth proportional to 141,898.45, 195,821.39 and 77,367.16 is: 106,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,898.45 : 195,821.39 = 77,367.16 : x
  2. Step 2: Convert to fraction form
    141,898.45/195,821.39 = 77,367.16/x
  3. Step 3: Cross multiply
    141,898.45x = 195,821.39 × 77,367.16
  4. Step 4: Simplify right side
    141,898.45x = 15,150,144,811.55
  5. Step 5: Solve for x
    x = 15,150,144,811.55/141,898.45
  6. Step 6: Final answer
    x = 106,767.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.