Home / 123,204.96-170,012.61-69,503.18

Finding the Fourth Proportional to 123,204.96, 170,012.61 and 69,503.18

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Solution

The fourth proportional to 123,204.96, 170,012.61 and 69,503.18 is: 95,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,204.96 : 170,012.61 = 69,503.18 : x
  2. Step 2: Convert to fraction form
    123,204.96/170,012.61 = 69,503.18/x
  3. Step 3: Cross multiply
    123,204.96x = 170,012.61 × 69,503.18
  4. Step 4: Simplify right side
    123,204.96x = 11,816,416,185.04
  5. Step 5: Solve for x
    x = 11,816,416,185.04/123,204.96
  6. Step 6: Final answer
    x = 95,908.61

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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.