Home / 123,329.48-170,191.07-69,619.49

Finding the Fourth Proportional to 123,329.48, 170,191.07 and 69,619.49

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Solution

The fourth proportional to 123,329.48, 170,191.07 and 69,619.49 is: 96,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,329.48 : 170,191.07 = 69,619.49 : x
  2. Step 2: Convert to fraction form
    123,329.48/170,191.07 = 69,619.49/x
  3. Step 3: Cross multiply
    123,329.48x = 170,191.07 × 69,619.49
  4. Step 4: Simplify right side
    123,329.48x = 11,848,614,296.90
  5. Step 5: Solve for x
    x = 11,848,614,296.90/123,329.48
  6. Step 6: Final answer
    x = 96,072.85

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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.