Home / 162,251.92-223,908.18-90,634.72

Finding the Fourth Proportional to 162,251.92, 223,908.18 and 90,634.72

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Solution

The fourth proportional to 162,251.92, 223,908.18 and 90,634.72 is: 125,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,251.92 : 223,908.18 = 90,634.72 : x
  2. Step 2: Convert to fraction form
    162,251.92/223,908.18 = 90,634.72/x
  3. Step 3: Cross multiply
    162,251.92x = 223,908.18 × 90,634.72
  4. Step 4: Simplify right side
    162,251.92x = 20,293,855,200.01
  5. Step 5: Solve for x
    x = 20,293,855,200.01/162,251.92
  6. Step 6: Final answer
    x = 125,076.21

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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.