Home / 161,573.22-242,145.99-123,989.67

Finding the Fourth Proportional to 161,573.22, 242,145.99 and 123,989.67

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Solution

The fourth proportional to 161,573.22, 242,145.99 and 123,989.67 is: 185,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,573.22 : 242,145.99 = 123,989.67 : x
  2. Step 2: Convert to fraction form
    161,573.22/242,145.99 = 123,989.67/x
  3. Step 3: Cross multiply
    161,573.22x = 242,145.99 × 123,989.67
  4. Step 4: Simplify right side
    161,573.22x = 30,023,601,391.92
  5. Step 5: Solve for x
    x = 30,023,601,391.92/161,573.22
  6. Step 6: Final answer
    x = 185,820.41

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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.