Home / 175,720-242,506.56-108,664.96

Finding the Fourth Proportional to 175,720, 242,506.56 and 108,664.96

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Solution

The fourth proportional to 175,720, 242,506.56 and 108,664.96 is: 149,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,720 : 242,506.56 = 108,664.96 : x
  2. Step 2: Convert to fraction form
    175,720/242,506.56 = 108,664.96/x
  3. Step 3: Cross multiply
    175,720x = 242,506.56 × 108,664.96
  4. Step 4: Simplify right side
    175,720x = 26,351,965,642.14
  5. Step 5: Solve for x
    x = 26,351,965,642.14/175,720
  6. Step 6: Final answer
    x = 149,965.66

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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.