Home / 123,026.57-169,776.67-66,437.95

Finding the Fourth Proportional to 123,026.57, 169,776.67 and 66,437.95

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Solution

The fourth proportional to 123,026.57, 169,776.67 and 66,437.95 is: 91,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,026.57 : 169,776.67 = 66,437.95 : x
  2. Step 2: Convert to fraction form
    123,026.57/169,776.67 = 66,437.95/x
  3. Step 3: Cross multiply
    123,026.57x = 169,776.67 × 66,437.95
  4. Step 4: Simplify right side
    123,026.57x = 11,279,613,912.63
  5. Step 5: Solve for x
    x = 11,279,613,912.63/123,026.57
  6. Step 6: Final answer
    x = 91,684.37

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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.