Home / 161,665.20-242,480.70-43,348.50

Finding the Fourth Proportional to 161,665.20, 242,480.70 and 43,348.50

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Solution

The fourth proportional to 161,665.20, 242,480.70 and 43,348.50 is: 65,018.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,665.20 : 242,480.70 = 43,348.50 : x
  2. Step 2: Convert to fraction form
    161,665.20/242,480.70 = 43,348.50/x
  3. Step 3: Cross multiply
    161,665.20x = 242,480.70 × 43,348.50
  4. Step 4: Simplify right side
    161,665.20x = 10,511,174,623.95
  5. Step 5: Solve for x
    x = 10,511,174,623.95/161,665.20
  6. Step 6: Final answer
    x = 65,018.16

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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.