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Finding the Fourth Proportional to 162,561.82, 223,836.84 and 142,305.34

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Solution

The fourth proportional to 162,561.82, 223,836.84 and 142,305.34 is: 195,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,561.82 : 223,836.84 = 142,305.34 : x
  2. Step 2: Convert to fraction form
    162,561.82/223,836.84 = 142,305.34/x
  3. Step 3: Cross multiply
    162,561.82x = 223,836.84 × 142,305.34
  4. Step 4: Simplify right side
    162,561.82x = 31,853,177,620.73
  5. Step 5: Solve for x
    x = 31,853,177,620.73/162,561.82
  6. Step 6: Final answer
    x = 195,945.01

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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.