Home / 117,046.41-161,523.86-66,069.87

Finding the Fourth Proportional to 117,046.41, 161,523.86 and 66,069.87

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Solution

The fourth proportional to 117,046.41, 161,523.86 and 66,069.87 is: 91,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,046.41 : 161,523.86 = 66,069.87 : x
  2. Step 2: Convert to fraction form
    117,046.41/161,523.86 = 66,069.87/x
  3. Step 3: Cross multiply
    117,046.41x = 161,523.86 × 66,069.87
  4. Step 4: Simplify right side
    117,046.41x = 10,671,860,101.75
  5. Step 5: Solve for x
    x = 10,671,860,101.75/117,046.41
  6. Step 6: Final answer
    x = 91,176.31

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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.