Home / 162,131.99-223,732.85-90,516.56

Finding the Fourth Proportional to 162,131.99, 223,732.85 and 90,516.56

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Solution

The fourth proportional to 162,131.99, 223,732.85 and 90,516.56 is: 124,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,131.99 : 223,732.85 = 90,516.56 : x
  2. Step 2: Convert to fraction form
    162,131.99/223,732.85 = 90,516.56/x
  3. Step 3: Cross multiply
    162,131.99x = 223,732.85 × 90,516.56
  4. Step 4: Simplify right side
    162,131.99x = 20,251,526,369.75
  5. Step 5: Solve for x
    x = 20,251,526,369.75/162,131.99
  6. Step 6: Final answer
    x = 124,907.66

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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.