Home / 167,120.45-230,625.55-90,639.24

Finding the Fourth Proportional to 167,120.45, 230,625.55 and 90,639.24

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Solution

The fourth proportional to 167,120.45, 230,625.55 and 90,639.24 is: 125,081.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,120.45 : 230,625.55 = 90,639.24 : x
  2. Step 2: Convert to fraction form
    167,120.45/230,625.55 = 90,639.24/x
  3. Step 3: Cross multiply
    167,120.45x = 230,625.55 × 90,639.24
  4. Step 4: Simplify right side
    167,120.45x = 20,903,724,079.96
  5. Step 5: Solve for x
    x = 20,903,724,079.96/167,120.45
  6. Step 6: Final answer
    x = 125,081.79

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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.