Home / 117,843.53-176,418-77,788.62

Finding the Fourth Proportional to 117,843.53, 176,418 and 77,788.62

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Solution

The fourth proportional to 117,843.53, 176,418 and 77,788.62 is: 116,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,843.53 : 176,418 = 77,788.62 : x
  2. Step 2: Convert to fraction form
    117,843.53/176,418 = 77,788.62/x
  3. Step 3: Cross multiply
    117,843.53x = 176,418 × 77,788.62
  4. Step 4: Simplify right side
    117,843.53x = 13,723,312,763.16
  5. Step 5: Solve for x
    x = 13,723,312,763.16/117,843.53
  6. Step 6: Final answer
    x = 116,453.69

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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.