Home / 161,495.20-242,150.50-49,142.19

Finding the Fourth Proportional to 161,495.20, 242,150.50 and 49,142.19

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Solution

The fourth proportional to 161,495.20, 242,150.50 and 49,142.19 is: 73,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,495.20 : 242,150.50 = 49,142.19 : x
  2. Step 2: Convert to fraction form
    161,495.20/242,150.50 = 49,142.19/x
  3. Step 3: Cross multiply
    161,495.20x = 242,150.50 × 49,142.19
  4. Step 4: Simplify right side
    161,495.20x = 11,899,806,572.66
  5. Step 5: Solve for x
    x = 11,899,806,572.66/161,495.20
  6. Step 6: Final answer
    x = 73,685.20

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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.