Home / 162,023.09-223,596.45-90,401.57

Finding the Fourth Proportional to 162,023.09, 223,596.45 and 90,401.57

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Solution

The fourth proportional to 162,023.09, 223,596.45 and 90,401.57 is: 124,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,023.09 : 223,596.45 = 90,401.57 : x
  2. Step 2: Convert to fraction form
    162,023.09/223,596.45 = 90,401.57/x
  3. Step 3: Cross multiply
    162,023.09x = 223,596.45 × 90,401.57
  4. Step 4: Simplify right side
    162,023.09x = 20,213,469,846.93
  5. Step 5: Solve for x
    x = 20,213,469,846.93/162,023.09
  6. Step 6: Final answer
    x = 124,756.73

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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.