Home / 161,385.30-241,905.15-72,623.70

Finding the Fourth Proportional to 161,385.30, 241,905.15 and 72,623.70

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Solution

The fourth proportional to 161,385.30, 241,905.15 and 72,623.70 is: 108,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,385.30 : 241,905.15 = 72,623.70 : x
  2. Step 2: Convert to fraction form
    161,385.30/241,905.15 = 72,623.70/x
  3. Step 3: Cross multiply
    161,385.30x = 241,905.15 × 72,623.70
  4. Step 4: Simplify right side
    161,385.30x = 17,568,047,042.06
  5. Step 5: Solve for x
    x = 17,568,047,042.06/161,385.30
  6. Step 6: Final answer
    x = 108,857.79

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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.