Home / 162,289.11-223,954.85-90,669.67

Finding the Fourth Proportional to 162,289.11, 223,954.85 and 90,669.67

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Solution

The fourth proportional to 162,289.11, 223,954.85 and 90,669.67 is: 125,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,289.11 : 223,954.85 = 90,669.67 : x
  2. Step 2: Convert to fraction form
    162,289.11/223,954.85 = 90,669.67/x
  3. Step 3: Cross multiply
    162,289.11x = 223,954.85 × 90,669.67
  4. Step 4: Simplify right side
    162,289.11x = 20,305,911,891.05
  5. Step 5: Solve for x
    x = 20,305,911,891.05/162,289.11
  6. Step 6: Final answer
    x = 125,121.84

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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.