Home / 117,141.21-175,781.78-107,612.57

Finding the Fourth Proportional to 117,141.21, 175,781.78 and 107,612.57

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Solution

The fourth proportional to 117,141.21, 175,781.78 and 107,612.57 is: 161,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,141.21 : 175,781.78 = 107,612.57 : x
  2. Step 2: Convert to fraction form
    117,141.21/175,781.78 = 107,612.57/x
  3. Step 3: Cross multiply
    117,141.21x = 175,781.78 × 107,612.57
  4. Step 4: Simplify right side
    117,141.21x = 18,916,329,104.97
  5. Step 5: Solve for x
    x = 18,916,329,104.97/117,141.21
  6. Step 6: Final answer
    x = 161,483.13

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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.