Home / 123,505.24-170,437.02-66,918.04

Finding the Fourth Proportional to 123,505.24, 170,437.02 and 66,918.04

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Solution

The fourth proportional to 123,505.24, 170,437.02 and 66,918.04 is: 92,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,505.24 : 170,437.02 = 66,918.04 : x
  2. Step 2: Convert to fraction form
    123,505.24/170,437.02 = 66,918.04/x
  3. Step 3: Cross multiply
    123,505.24x = 170,437.02 × 66,918.04
  4. Step 4: Simplify right side
    123,505.24x = 11,405,311,321.84
  5. Step 5: Solve for x
    x = 11,405,311,321.84/123,505.24
  6. Step 6: Final answer
    x = 92,346.78

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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.