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Finding the Fourth Proportional to 162,365.80, 223,919.20 and 135,231.96

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Solution

The fourth proportional to 162,365.80, 223,919.20 and 135,231.96 is: 186,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,365.80 : 223,919.20 = 135,231.96 : x
  2. Step 2: Convert to fraction form
    162,365.80/223,919.20 = 135,231.96/x
  3. Step 3: Cross multiply
    162,365.80x = 223,919.20 × 135,231.96
  4. Step 4: Simplify right side
    162,365.80x = 30,281,032,297.63
  5. Step 5: Solve for x
    x = 30,281,032,297.63/162,365.80
  6. Step 6: Final answer
    x = 186,498.83

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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.