Home / 117,006-161,497.08-66,734.16

Finding the Fourth Proportional to 117,006, 161,497.08 and 66,734.16

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Solution

The fourth proportional to 117,006, 161,497.08 and 66,734.16 is: 92,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,006 : 161,497.08 = 66,734.16 : x
  2. Step 2: Convert to fraction form
    117,006/161,497.08 = 66,734.16/x
  3. Step 3: Cross multiply
    117,006x = 161,497.08 × 66,734.16
  4. Step 4: Simplify right side
    117,006x = 10,777,371,976.25
  5. Step 5: Solve for x
    x = 10,777,371,976.25/117,006
  6. Step 6: Final answer
    x = 92,109.57

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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.