Home / 161,137.82-241,623.70-72,315.18

Finding the Fourth Proportional to 161,137.82, 241,623.70 and 72,315.18

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Solution

The fourth proportional to 161,137.82, 241,623.70 and 72,315.18 is: 108,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,137.82 : 241,623.70 = 72,315.18 : x
  2. Step 2: Convert to fraction form
    161,137.82/241,623.70 = 72,315.18/x
  3. Step 3: Cross multiply
    161,137.82x = 241,623.70 × 72,315.18
  4. Step 4: Simplify right side
    161,137.82x = 17,473,061,357.77
  5. Step 5: Solve for x
    x = 17,473,061,357.77/161,137.82
  6. Step 6: Final answer
    x = 108,435.51

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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.