Home / 123,046.24-169,803.90-66,457.60

Finding the Fourth Proportional to 123,046.24, 169,803.90 and 66,457.60

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Solution

The fourth proportional to 123,046.24, 169,803.90 and 66,457.60 is: 91,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,046.24 : 169,803.90 = 66,457.60 : x
  2. Step 2: Convert to fraction form
    123,046.24/169,803.90 = 66,457.60/x
  3. Step 3: Cross multiply
    123,046.24x = 169,803.90 × 66,457.60
  4. Step 4: Simplify right side
    123,046.24x = 11,284,759,664.64
  5. Step 5: Solve for x
    x = 11,284,759,664.64/123,046.24
  6. Step 6: Final answer
    x = 91,711.54

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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.