Home / 162,221.23-223,843.18-90,592.12

Finding the Fourth Proportional to 162,221.23, 223,843.18 and 90,592.12

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Solution

The fourth proportional to 162,221.23, 223,843.18 and 90,592.12 is: 125,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,221.23 : 223,843.18 = 90,592.12 : x
  2. Step 2: Convert to fraction form
    162,221.23/223,843.18 = 90,592.12/x
  3. Step 3: Cross multiply
    162,221.23x = 223,843.18 × 90,592.12
  4. Step 4: Simplify right side
    162,221.23x = 20,278,426,651.57
  5. Step 5: Solve for x
    x = 20,278,426,651.57/162,221.23
  6. Step 6: Final answer
    x = 125,004.77

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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.