Home / 123,172.44-169,977.90-66,583.92

Finding the Fourth Proportional to 123,172.44, 169,977.90 and 66,583.92

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Solution

The fourth proportional to 123,172.44, 169,977.90 and 66,583.92 is: 91,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,172.44 : 169,977.90 = 66,583.92 : x
  2. Step 2: Convert to fraction form
    123,172.44/169,977.90 = 66,583.92/x
  3. Step 3: Cross multiply
    123,172.44x = 169,977.90 × 66,583.92
  4. Step 4: Simplify right side
    123,172.44x = 11,317,794,895.37
  5. Step 5: Solve for x
    x = 11,317,794,895.37/123,172.44
  6. Step 6: Final answer
    x = 91,885.77

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1.5x scale

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.