Home / 162,211.75-223,825-90,592.05

Finding the Fourth Proportional to 162,211.75, 223,825 and 90,592.05

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Solution

The fourth proportional to 162,211.75, 223,825 and 90,592.05 is: 125,001.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,211.75 : 223,825 = 90,592.05 : x
  2. Step 2: Convert to fraction form
    162,211.75/223,825 = 90,592.05/x
  3. Step 3: Cross multiply
    162,211.75x = 223,825 × 90,592.05
  4. Step 4: Simplify right side
    162,211.75x = 20,276,765,591.25
  5. Step 5: Solve for x
    x = 20,276,765,591.25/162,211.75
  6. Step 6: Final answer
    x = 125,001.83

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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.