Home / 151,171.32-226,769.55-45,991.20

Finding the Fourth Proportional to 151,171.32, 226,769.55 and 45,991.20

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Solution

The fourth proportional to 151,171.32, 226,769.55 and 45,991.20 is: 68,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,171.32 : 226,769.55 = 45,991.20 : x
  2. Step 2: Convert to fraction form
    151,171.32/226,769.55 = 45,991.20/x
  3. Step 3: Cross multiply
    151,171.32x = 226,769.55 × 45,991.20
  4. Step 4: Simplify right side
    151,171.32x = 10,429,403,727.96
  5. Step 5: Solve for x
    x = 10,429,403,727.96/151,171.32
  6. Step 6: Final answer
    x = 68,990.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.