Home / 118,981.74-164,172.06-68,010.62

Finding the Fourth Proportional to 118,981.74, 164,172.06 and 68,010.62

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Solution

The fourth proportional to 118,981.74, 164,172.06 and 68,010.62 is: 93,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,981.74 : 164,172.06 = 68,010.62 : x
  2. Step 2: Convert to fraction form
    118,981.74/164,172.06 = 68,010.62/x
  3. Step 3: Cross multiply
    118,981.74x = 164,172.06 × 68,010.62
  4. Step 4: Simplify right side
    118,981.74x = 11,165,442,766.42
  5. Step 5: Solve for x
    x = 11,165,442,766.42/118,981.74
  6. Step 6: Final answer
    x = 93,841.65

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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.