Home / 117,293.45-161,861.01-69,518.43

Finding the Fourth Proportional to 117,293.45, 161,861.01 and 69,518.43

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Solution

The fourth proportional to 117,293.45, 161,861.01 and 69,518.43 is: 95,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,293.45 : 161,861.01 = 69,518.43 : x
  2. Step 2: Convert to fraction form
    117,293.45/161,861.01 = 69,518.43/x
  3. Step 3: Cross multiply
    117,293.45x = 161,861.01 × 69,518.43
  4. Step 4: Simplify right side
    117,293.45x = 11,252,323,293.41
  5. Step 5: Solve for x
    x = 11,252,323,293.41/117,293.45
  6. Step 6: Final answer
    x = 95,933.09

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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.