Home / 123,696.18-170,716.80-69,269.07

Finding the Fourth Proportional to 123,696.18, 170,716.80 and 69,269.07

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Solution

The fourth proportional to 123,696.18, 170,716.80 and 69,269.07 is: 95,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,696.18 : 170,716.80 = 69,269.07 : x
  2. Step 2: Convert to fraction form
    123,696.18/170,716.80 = 69,269.07/x
  3. Step 3: Cross multiply
    123,696.18x = 170,716.80 × 69,269.07
  4. Step 4: Simplify right side
    123,696.18x = 11,825,392,769.45
  5. Step 5: Solve for x
    x = 11,825,392,769.45/123,696.18
  6. Step 6: Final answer
    x = 95,600.31

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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.