Home / 117,429.11-162,051.24-66,441.41

Finding the Fourth Proportional to 117,429.11, 162,051.24 and 66,441.41

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Solution

The fourth proportional to 117,429.11, 162,051.24 and 66,441.41 is: 91,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,429.11 : 162,051.24 = 66,441.41 : x
  2. Step 2: Convert to fraction form
    117,429.11/162,051.24 = 66,441.41/x
  3. Step 3: Cross multiply
    117,429.11x = 162,051.24 × 66,441.41
  4. Step 4: Simplify right side
    117,429.11x = 10,766,912,877.85
  5. Step 5: Solve for x
    x = 10,766,912,877.85/117,429.11
  6. Step 6: Final answer
    x = 91,688.62

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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.