Home / 165,995.75-229,074.86-90,545.87

Finding the Fourth Proportional to 165,995.75, 229,074.86 and 90,545.87

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Solution

The fourth proportional to 165,995.75, 229,074.86 and 90,545.87 is: 124,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,995.75 : 229,074.86 = 90,545.87 : x
  2. Step 2: Convert to fraction form
    165,995.75/229,074.86 = 90,545.87/x
  3. Step 3: Cross multiply
    165,995.75x = 229,074.86 × 90,545.87
  4. Step 4: Simplify right side
    165,995.75x = 20,741,783,292.88
  5. Step 5: Solve for x
    x = 20,741,783,292.88/165,995.75
  6. Step 6: Final answer
    x = 124,953.70

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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.