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Finding the Fourth Proportional to 162,229.68, 223,874.60 and 90,610.72

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Solution

The fourth proportional to 162,229.68, 223,874.60 and 90,610.72 is: 125,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,229.68 : 223,874.60 = 90,610.72 : x
  2. Step 2: Convert to fraction form
    162,229.68/223,874.60 = 90,610.72/x
  3. Step 3: Cross multiply
    162,229.68x = 223,874.60 × 90,610.72
  4. Step 4: Simplify right side
    162,229.68x = 20,285,438,695.71
  5. Step 5: Solve for x
    x = 20,285,438,695.71/162,229.68
  6. Step 6: Final answer
    x = 125,041.48

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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.