Home / 161,453.28-242,231.81-49,155.23

Finding the Fourth Proportional to 161,453.28, 242,231.81 and 49,155.23

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Solution

The fourth proportional to 161,453.28, 242,231.81 and 49,155.23 is: 73,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,453.28 : 242,231.81 = 49,155.23 : x
  2. Step 2: Convert to fraction form
    161,453.28/242,231.81 = 49,155.23/x
  3. Step 3: Cross multiply
    161,453.28x = 242,231.81 × 49,155.23
  4. Step 4: Simplify right side
    161,453.28x = 11,906,958,876.93
  5. Step 5: Solve for x
    x = 11,906,958,876.93/161,453.28
  6. Step 6: Final answer
    x = 73,748.63

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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.