Home / 161,744.22-242,788.86-143,142.57

Finding the Fourth Proportional to 161,744.22, 242,788.86 and 143,142.57

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Solution

The fourth proportional to 161,744.22, 242,788.86 and 143,142.57 is: 214,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,744.22 : 242,788.86 = 143,142.57 : x
  2. Step 2: Convert to fraction form
    161,744.22/242,788.86 = 143,142.57/x
  3. Step 3: Cross multiply
    161,744.22x = 242,788.86 × 143,142.57
  4. Step 4: Simplify right side
    161,744.22x = 34,753,421,387.77
  5. Step 5: Solve for x
    x = 34,753,421,387.77/161,744.22
  6. Step 6: Final answer
    x = 214,866.54

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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.