Home / 162,288.11-223,953.47-90,668.67

Finding the Fourth Proportional to 162,288.11, 223,953.47 and 90,668.67

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Solution

The fourth proportional to 162,288.11, 223,953.47 and 90,668.67 is: 125,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,288.11 : 223,953.47 = 90,668.67 : x
  2. Step 2: Convert to fraction form
    162,288.11/223,953.47 = 90,668.67/x
  3. Step 3: Cross multiply
    162,288.11x = 223,953.47 × 90,668.67
  4. Step 4: Simplify right side
    162,288.11x = 20,305,562,813.44
  5. Step 5: Solve for x
    x = 20,305,562,813.44/162,288.11
  6. Step 6: Final answer
    x = 125,120.46

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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.