Home / 161,932.71-242,926.75-55,310.81

Finding the Fourth Proportional to 161,932.71, 242,926.75 and 55,310.81

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Solution

The fourth proportional to 161,932.71, 242,926.75 and 55,310.81 is: 82,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,932.71 : 242,926.75 = 55,310.81 : x
  2. Step 2: Convert to fraction form
    161,932.71/242,926.75 = 55,310.81/x
  3. Step 3: Cross multiply
    161,932.71x = 242,926.75 × 55,310.81
  4. Step 4: Simplify right side
    161,932.71x = 13,436,475,989.62
  5. Step 5: Solve for x
    x = 13,436,475,989.62/161,932.71
  6. Step 6: Final answer
    x = 82,975.68

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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.