Home / 161,694.12-223,144.79-90,074.19

Finding the Fourth Proportional to 161,694.12, 223,144.79 and 90,074.19

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Solution

The fourth proportional to 161,694.12, 223,144.79 and 90,074.19 is: 124,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,694.12 : 223,144.79 = 90,074.19 : x
  2. Step 2: Convert to fraction form
    161,694.12/223,144.79 = 90,074.19/x
  3. Step 3: Cross multiply
    161,694.12x = 223,144.79 × 90,074.19
  4. Step 4: Simplify right side
    161,694.12x = 20,099,585,761.60
  5. Step 5: Solve for x
    x = 20,099,585,761.60/161,694.12
  6. Step 6: Final answer
    x = 124,306.23

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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.