Home / 151,776.81-227,632.64-45,135.09

Finding the Fourth Proportional to 151,776.81, 227,632.64 and 45,135.09

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Solution

The fourth proportional to 151,776.81, 227,632.64 and 45,135.09 is: 67,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,776.81 : 227,632.64 = 45,135.09 : x
  2. Step 2: Convert to fraction form
    151,776.81/227,632.64 = 45,135.09/x
  3. Step 3: Cross multiply
    151,776.81x = 227,632.64 × 45,135.09
  4. Step 4: Simplify right side
    151,776.81x = 10,274,219,467.66
  5. Step 5: Solve for x
    x = 10,274,219,467.66/151,776.81
  6. Step 6: Final answer
    x = 67,692.95

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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.