Home / 178,920.39-246,839.31-115,295.25

Finding the Fourth Proportional to 178,920.39, 246,839.31 and 115,295.25

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Solution

The fourth proportional to 178,920.39, 246,839.31 and 115,295.25 is: 159,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,920.39 : 246,839.31 = 115,295.25 : x
  2. Step 2: Convert to fraction form
    178,920.39/246,839.31 = 115,295.25/x
  3. Step 3: Cross multiply
    178,920.39x = 246,839.31 × 115,295.25
  4. Step 4: Simplify right side
    178,920.39x = 28,459,399,956.28
  5. Step 5: Solve for x
    x = 28,459,399,956.28/178,920.39
  6. Step 6: Final answer
    x = 159,061.80

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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.